56466266465 has 24 divisors (see below), whose sum is σ = 78877566720. Its totient is φ = 38692576608.

The previous prime is 56466266447. The next prime is 56466266471.

It is a happy number.

56466266465 is nontrivially palindromic in base 10.

56466266465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56466266465 - 2²⁸ = 56197831009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56466266465.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 272474 + ... + 432636.

It is an arithmetic number, because the mean of its divisors is an integer number (3286565280).

Almost surely, 2^56466266465 is an apocalyptic number.

It is an amenable number.

56466266465 is a deficient number, since it is larger than the sum of its proper divisors (22411300255).

56466266465 is a wasteful number, since it uses less digits than its factorization.

56466266465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161621 (or 161614 counting only the distinct ones).

The product of its digits is 37324800, while the sum is 56.

The spelling of 56466266465 in words is "fifty-six billion, four hundred sixty-six million, two hundred sixty-six thousand, four hundred sixty-five".