12315157164 has 24 divisors (see below), whose sum is σ = 31928185520. Its totient is φ = 4105052352.

The previous prime is 12315157163. The next prime is 12315157171. The reversal of 12315157164 is 46175151321.

12315157164 is a `hidden beast` number, since 1 + 2 + 31 + 51 + 571 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (12315157163) 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, 57014509 + ... + 57014724.

Almost surely, 2^12315157164 is an apocalyptic number.

It is an amenable number.

12315157164 is an abundant number, since it is smaller than the sum of its proper divisors (19613028356).

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

12315157164 is a wasteful number, since it uses less digits than its factorization.

12315157164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114029246 (or 114029238 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The spelling of 12315157164 in words is "twelve billion, three hundred fifteen million, one hundred fifty-seven thousand, one hundred sixty-four".