5666064446 has 32 divisors (see below), whose sum is σ = 9779339520. Its totient is φ = 2411841600.

The previous prime is 5666064293. The next prime is 5666064451. The reversal of 5666064446 is 6444606665.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 5666064446.

It is a congruent number.

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, 1679141 + ... + 1682511.

It is an arithmetic number, because the mean of its divisors is an integer number (305604360).

Almost surely, 2^5666064446 is an apocalyptic number.

5666064446 is a deficient number, since it is larger than the sum of its proper divisors (4113275074).

5666064446 is a wasteful number, since it uses less digits than its factorization.

5666064446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4160.

The product of its (nonzero) digits is 2488320, while the sum is 47.

The square root of 5666064446 is about 75273.2651477269. The cubic root of 5666064446 is about 1782.7639219808.

The spelling of 5666064446 in words is "five billion, six hundred sixty-six million, sixty-four thousand, four hundred forty-six".