56816138073 has 16 divisors (see below), whose sum is σ = 80989773696. Its totient is φ = 35303228160.

The previous prime is 56816138051. The next prime is 56816138077. The reversal of 56816138073 is 37083161865.

It is not a de Polignac number, because 56816138073 - 2³⁰ = 55742396249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56816138077) 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 15 ways as a sum of consecutive naturals, for example, 5402718 + ... + 5413223.

It is an arithmetic number, because the mean of its divisors is an integer number (5061860856).

Almost surely, 2^56816138073 is an apocalyptic number.

It is an amenable number.

56816138073 is a deficient number, since it is larger than the sum of its proper divisors (24173635623).

56816138073 is a wasteful number, since it uses less digits than its factorization.

56816138073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10816064.

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 56816138073 in words is "fifty-six billion, eight hundred sixteen million, one hundred thirty-eight thousand, seventy-three".