56156134463616 has 256 divisors, whose sum is σ = 165787838899200. Its totient is φ = 16698063360000.

The previous prime is 56156134463603. The next prime is 56156134463647. The reversal of 56156134463616 is 61636443165165.

It is a super-2 number, since 2×56156134463616² (a number of 28 digits) contains 22 as substring.

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, 107701141 + ... + 108221291.

It is an arithmetic number, because the mean of its divisors is an integer number (647608745700).

Almost surely, 2^{56156134463616} 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 56156134463616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82893919449600).

56156134463616 is an abundant number, since it is smaller than the sum of its proper divisors (109631704435584).

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

56156134463616 is a wasteful number, since it uses less digits than its factorization.

56156134463616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520659 (or 520647 counting only the distinct ones).

The product of its digits is 27993600, while the sum is 57.

The spelling of 56156134463616 in words is "fifty-six trillion, one hundred fifty-six billion, one hundred thirty-four million, four hundred sixty-three thousand, six hundred sixteen".