56116721433160 has 32 divisors (see below), whose sum is σ = 129342199404600. Its totient is φ = 21899208363520.

The previous prime is 56116721433137. The next prime is 56116721433187. The reversal of 56116721433160 is 6133412761165.

56116721433160 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 44896941468324 + 11219779964836 = 6700518^2 + 3349594^2 .

It is a super-3 number, since 3×56116721433160³ (a number of 42 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56116721433160.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17108754895 + ... + 17108758174.

Almost surely, 2^{56116721433160} is an apocalyptic number.

It is an amenable number.

56116721433160 is an abundant number, since it is smaller than the sum of its proper divisors (73225477971440).

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

56116721433160 is a wasteful number, since it uses less digits than its factorization.

56116721433160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34217513121 (or 34217513117 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 56116721433160 in words is "fifty-six trillion, one hundred sixteen billion, seven hundred twenty-one million, four hundred thirty-three thousand, one hundred sixty".