8156318268 has 48 divisors (see below), whose sum is σ = 21961372160. Its totient is φ = 2307749184.

The previous prime is 8156318257. The next prime is 8156318281. The reversal of 8156318268 is 8628136518.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 462703 + ... + 480006.

Almost surely, 2^8156318268 is an apocalyptic number.

It is an amenable number.

8156318268 is an abundant number, since it is smaller than the sum of its proper divisors (13805053892).

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

8156318268 is a wasteful number, since it uses less digits than its factorization.

8156318268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942826 (or 942824 counting only the distinct ones).

The product of its digits is 552960, while the sum is 48.

The square root of 8156318268 is about 90312.3372967393. The cubic root of 8156318268 is about 2012.9425863937.

The spelling of 8156318268 in words is "eight billion, one hundred fifty-six million, three hundred eighteen thousand, two hundred sixty-eight".