5666388164 has 48 divisors (see below), whose sum is σ = 10679921280. Its totient is φ = 2622574080.

The previous prime is 5666388157. The next prime is 5666388173. The reversal of 5666388164 is 4618836665.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 605102 + ... + 614394.

It is an arithmetic number, because the mean of its divisors is an integer number (222498360).

Almost surely, 2^5666388164 is an apocalyptic number.

It is an amenable number.

5666388164 is a deficient number, since it is larger than the sum of its proper divisors (5013533116).

5666388164 is a wasteful number, since it uses less digits than its factorization.

5666388164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9500 (or 9498 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 53.

The square root of 5666388164 is about 75275.4154023742. The cubic root of 5666388164 is about 1782.7978727525.

The spelling of 5666388164 in words is "five billion, six hundred sixty-six million, three hundred eighty-eight thousand, one hundred sixty-four".