56066656807 has 16 divisors (see below), whose sum is σ = 64204185600. Its totient is φ = 47961237600.

The previous prime is 56066656799. The next prime is 56066656817. The reversal of 56066656807 is 70865666065.

56066656807 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 56066656807 - 2³ = 56066656799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56066656817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8206669 + ... + 8213497.

It is an arithmetic number, because the mean of its divisors is an integer number (4012761600).

Almost surely, 2^56066656807 is an apocalyptic number.

56066656807 is a deficient number, since it is larger than the sum of its proper divisors (8137528793).

56066656807 is a wasteful number, since it uses less digits than its factorization.

56066656807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9006.

The product of its (nonzero) digits is 10886400, while the sum is 55.

The spelling of 56066656807 in words is "fifty-six billion, sixty-six million, six hundred fifty-six thousand, eight hundred seven".