The exact factorial of 164 is:

328721858553429622726333031164414657201307396238870899045862237158580182864271307153959338482212215476391820329660212699921564577126760936298613378281401599441328640627721748601735615072812402484508949220556707455881820297436017777661078154820871262306304000000000000000000000000000000000000000

📌 Number of digits in the exact factorial of 164! = 294.

Approximately, the value of 164! can also be written as 3.287218585 E+293.

## How to calculate 164!

The formula for finding the factorial of a number is:

n! = n × (n-1) × (n-2) × … × 2 × 1

The same formula can also be written in terms of PI product notation as: So, by definition, 164! is calculated as:

164 × 163 × 162 × … × 2 × 1

Also see:

### How many digits are there in the exact value of 164!?

There are 294 digits in the exact value of 164!.

### What is the value of 164 factorial in terms of E?

The value of 164! in terms of E is 3.287218585 E+293.

### What are the uses of factorials?

According to Wikipedia:

In mathematical analysis, factorials are used in power series for the exponential function and other functions, and they also have applications in algebra, number theory, probability theory, and computer science.