5666556635 has 16 divisors (see below), whose sum is σ = 6894704640. Its totient is φ = 4470167520.

The previous prime is 5666556629. The next prime is 5666556653. The reversal of 5666556635 is 5366556665.

It is not a de Polignac number, because 5666556635 - 2¹² = 5666552539 is a prime.

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, 316370 + ... + 333800.

It is an arithmetic number, because the mean of its divisors is an integer number (430919040).

Almost surely, 2^5666556635 is an apocalyptic number.

5666556635 is a deficient number, since it is larger than the sum of its proper divisors (1228148005).

5666556635 is a wasteful number, since it uses less digits than its factorization.

5666556635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18338.

The product of its digits is 14580000, while the sum is 53.

The square root of 5666556635 is about 75276.5344247462. The cubic root of 5666556635 is about 1782.8155410775.

The spelling of 5666556635 in words is "five billion, six hundred sixty-six million, five hundred fifty-six thousand, six hundred thirty-five".