8156795136 has 72 divisors (see below), whose sum is σ = 24810268224. Its totient is φ = 2330511360.

The previous prime is 8156795123. The next prime is 8156795159. The reversal of 8156795136 is 6315976518.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 753255 + ... + 764006.

Almost surely, 2^8156795136 is an apocalyptic number.

It is an amenable number.

8156795136 is an abundant number, since it is smaller than the sum of its proper divisors (16653473088).

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

8156795136 is a wasteful number, since it uses less digits than its factorization.

8156795136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517287 (or 1517273 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 51.

The square root of 8156795136 is about 90314.9773625615. The cubic root of 8156795136 is about 2012.9818152536.

The spelling of 8156795136 in words is "eight billion, one hundred fifty-six million, seven hundred ninety-five thousand, one hundred thirty-six".