56516511164 has 12 divisors (see below), whose sum is σ = 98932250088. Its totient is φ = 28250154000.

The previous prime is 56516511157. The next prime is 56516511179. The reversal of 56516511164 is 46111561565.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 2009687 + ... + 2037614.

It is an arithmetic number, because the mean of its divisors is an integer number (8244354174).

Almost surely, 2^56516511164 is an apocalyptic number.

It is an amenable number.

56516511164 is a deficient number, since it is larger than the sum of its proper divisors (42415738924).

56516511164 is a wasteful number, since it uses less digits than its factorization.

56516511164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4050796 (or 4050794 counting only the distinct ones).

The product of its digits is 108000, while the sum is 41.

The spelling of 56516511164 in words is "fifty-six billion, five hundred sixteen million, five hundred eleven thousand, one hundred sixty-four".