56676067665 has 32 divisors (see below), whose sum is σ = 108142166016. Its totient is φ = 24782577600.

The previous prime is 56676067649. The next prime is 56676067667.

56676067665 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56676067665 - 2⁴ = 56676067649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56676067599 and 56676067608.

It is not an unprimeable number, because it can be changed into a prime (56676067667) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11731761 + ... + 11736590.

It is an arithmetic number, because the mean of its divisors is an integer number (3379442688).

Almost surely, 2^56676067665 is an apocalyptic number.

It is an amenable number.

56676067665 is a deficient number, since it is larger than the sum of its proper divisors (51466098351).

56676067665 is a wasteful number, since it uses less digits than its factorization.

56676067665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23468389.

The product of its (nonzero) digits is 57153600, while the sum is 60.

The spelling of 56676067665 in words is "fifty-six billion, six hundred seventy-six million, sixty-seven thousand, six hundred sixty-five".