656116160 has 56 divisors (see below), whose sum is σ = 1785579360. Its totient is φ = 224953344.

The previous prime is 656116159. The next prime is 656116171. The reversal of 656116160 is 61611656.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144215 + ... + 148694.

Almost surely, 2^656116160 is an apocalyptic number.

It is an amenable number.

656116160 is an abundant number, since it is smaller than the sum of its proper divisors (1129463200).

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

656116160 is a wasteful number, since it uses less digits than its factorization.

656116160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292933 (or 292923 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 656116160 is about 25614.7644923782. The cubic root of 656116160 is about 868.9475802010.

The spelling of 656116160 in words is "six hundred fifty-six million, one hundred sixteen thousand, one hundred sixty".