56816761673 has 8 divisors (see below), whose sum is σ = 64941950592. Its totient is φ = 48693699936.

The previous prime is 56816761657. The next prime is 56816761679. The reversal of 56816761673 is 37616761865.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56816761673 - 2⁴ = 56816761657 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56816761679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474140 + ... + 581757.

It is an arithmetic number, because the mean of its divisors is an integer number (8117743824).

Almost surely, 2^56816761673 is an apocalyptic number.

It is an amenable number.

56816761673 is a deficient number, since it is larger than the sum of its proper divisors (8125188919).

56816761673 is a wasteful number, since it uses less digits than its factorization.

56816761673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063591.

The product of its digits is 7620480, while the sum is 56.

The spelling of 56816761673 in words is "fifty-six billion, eight hundred sixteen million, seven hundred sixty-one thousand, six hundred seventy-three".