15513428164 has 12 divisors (see below), whose sum is σ = 29236845484. Its totient is φ = 7160043744.

The previous prime is 15513428143. The next prime is 15513428179. The reversal of 15513428164 is 46182431551.

It can be written as a sum of positive squares in 2 ways, for example, as 7217861764 + 8295566400 = 84958^2 + 91080^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149167527 + ... + 149167630.

Almost surely, 2^15513428164 is an apocalyptic number.

It is an amenable number.

15513428164 is a deficient number, since it is larger than the sum of its proper divisors (13723417320).

15513428164 is a wasteful number, since it uses less digits than its factorization.

15513428164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298335174 (or 298335172 counting only the distinct ones).

The product of its digits is 115200, while the sum is 40.

The spelling of 15513428164 in words is "fifteen billion, five hundred thirteen million, four hundred twenty-eight thousand, one hundred sixty-four".