813164384256 has 104 divisors (see below), whose sum is σ = 2477913011904. Its totient is φ = 232332656640.

The previous prime is 813164384233. The next prime is 813164384257. The reversal of 813164384256 is 652483461318.

It is a super-2 number, since 2×813164384256² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 813164384199 and 813164384208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813164384257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4640805 + ... + 4812836.

Almost surely, 2^813164384256 is an apocalyptic number.

It is an amenable number.

813164384256 is an abundant number, since it is smaller than the sum of its proper divisors (1664748627648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

813164384256 is an equidigital number, since it uses as much as digits as its factorization.

813164384256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9453675 (or 9453653 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 51.

The spelling of 813164384256 in words is "eight hundred thirteen billion, one hundred sixty-four million, three hundred eighty-four thousand, two hundred fifty-six".