56331698670 has 768 divisors, whose sum is σ = 183444258816. Its totient is φ = 12317184000.

The previous prime is 56331698669. The next prime is 56331698681. The reversal of 56331698670 is 7689613365.

56331698670 is a `hidden beast` number, since 563 + 3 + 1 + 6 + 9 + 8 + 6 + 70 = 666.

56331698670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 923470440 + ... + 923470500.

It is an arithmetic number, because the mean of its divisors is an integer number (238859712).

Almost surely, 2^56331698670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56331698670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91722129408).

56331698670 is an abundant number, since it is smaller than the sum of its proper divisors (127112560146).

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

56331698670 is a wasteful number, since it uses less digits than its factorization.

56331698670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 56331698670 in words is "fifty-six billion, three hundred thirty-one million, six hundred ninety-eight thousand, six hundred seventy".