556164756 has 72 divisors (see below), whose sum is σ = 1620999744. Its totient is φ = 157489920.

The previous prime is 556164733. The next prime is 556164767. The reversal of 556164756 is 657461655.

556164756 is a `hidden beast` number, since 556 + 1 + 6 + 47 + 56 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18711 + ... + 38241.

Almost surely, 2^556164756 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 556164756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (810499872).

556164756 is an abundant number, since it is smaller than the sum of its proper divisors (1064834988).

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

556164756 is a wasteful number, since it uses less digits than its factorization.

556164756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19661 (or 19656 counting only the distinct ones).

The product of its digits is 756000, while the sum is 45.

The square root of 556164756 is about 23583.1455917144. The cubic root of 556164756 is about 822.3710651759.

The spelling of 556164756 in words is "five hundred fifty-six million, one hundred sixty-four thousand, seven hundred fifty-six".