56160636730561 has 48 divisors (see below), whose sum is σ = 65078790940800. Its totient is φ = 48293967744000.

The previous prime is 56160636730543. The next prime is 56160636730573. The reversal of 56160636730561 is 16503763606165.

It is not a de Polignac number, because 56160636730561 - 2³¹ = 56158489246913 is a prime.

It is a super-2 number, since 2×56160636730561² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56160636730501) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6424962651 + ... + 6424971391.

It is an arithmetic number, because the mean of its divisors is an integer number (1355808144600).

Almost surely, 2^{56160636730561} is an apocalyptic number.

It is an amenable number.

56160636730561 is a deficient number, since it is larger than the sum of its proper divisors (8918154210239).

56160636730561 is a wasteful number, since it uses less digits than its factorization.

56160636730561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12742 (or 12731 counting only the distinct ones).

The product of its (nonzero) digits is 12247200, while the sum is 55.

The spelling of 56160636730561 in words is "fifty-six trillion, one hundred sixty billion, six hundred thirty-six million, seven hundred thirty thousand, five hundred sixty-one".