5656720188 has 96 divisors (see below), whose sum is σ = 15807052800. Its totient is φ = 1539394560.

The previous prime is 5656720169. The next prime is 5656720229. The reversal of 5656720188 is 8810276565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 459538 + ... + 471686.

It is an arithmetic number, because the mean of its divisors is an integer number (164656800).

Almost surely, 2^5656720188 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 5656720188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7903526400).

5656720188 is an abundant number, since it is smaller than the sum of its proper divisors (10150332612).

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

5656720188 is a wasteful number, since it uses less digits than its factorization.

5656720188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12427 (or 12425 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 48.

The square root of 5656720188 is about 75211.1706330915. The cubic root of 5656720188 is about 1781.7833605948.

The spelling of 5656720188 in words is "five billion, six hundred fifty-six million, seven hundred twenty thousand, one hundred eighty-eight".