56016616601 has 32 divisors (see below), whose sum is σ = 67481164800. Its totient is φ = 45923976000.

The previous prime is 56016616577. The next prime is 56016616609. The reversal of 56016616601 is 10661661065.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56016616601 is a prime.

It is a super-2 number, since 2×56016616601² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56016616609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 365246 + ... + 495416.

It is an arithmetic number, because the mean of its divisors is an integer number (2108786400).

Almost surely, 2^56016616601 is an apocalyptic number.

It is an amenable number.

56016616601 is a deficient number, since it is larger than the sum of its proper divisors (11464548199).

56016616601 is a wasteful number, since it uses less digits than its factorization.

56016616601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130301.

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 56016616601 in words is "fifty-six billion, sixteen million, six hundred sixteen thousand, six hundred one".