15525316164 has 48 divisors (see below), whose sum is σ = 38366588736. Its totient is φ = 4869427200.

The previous prime is 15525316153. The next prime is 15525316187. The reversal of 15525316164 is 46161352551.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1070119 + ... + 1084529.

It is an arithmetic number, because the mean of its divisors is an integer number (799303932).

Almost surely, 2^15525316164 is an apocalyptic number.

It is an amenable number.

15525316164 is an abundant number, since it is smaller than the sum of its proper divisors (22841272572).

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

15525316164 is a wasteful number, since it uses less digits than its factorization.

15525316164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19716 (or 19714 counting only the distinct ones).

The product of its digits is 108000, while the sum is 39.

The spelling of 15525316164 in words is "fifteen billion, five hundred twenty-five million, three hundred sixteen thousand, one hundred sixty-four".