5560656666 has 32 divisors (see below), whose sum is σ = 11609161728. Its totient is φ = 1773887040.

The previous prime is 5560656623. The next prime is 5560656697. The reversal of 5560656666 is 6666560655.

It is a happy 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, 191770 + ... + 218853.

It is an arithmetic number, because the mean of its divisors is an integer number (362786304).

Almost surely, 2^5560656666 is an apocalyptic number.

5560656666 is an abundant number, since it is smaller than the sum of its proper divisors (6048505062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5560656666 is a wasteful number, since it uses less digits than its factorization.

5560656666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410726.

The product of its (nonzero) digits is 5832000, while the sum is 51.

The square root of 5560656666 is about 74569.8106877039. The cubic root of 5560656666 is about 1771.6395233508.

The spelling of 5560656666 in words is "five billion, five hundred sixty million, six hundred fifty-six thousand, six hundred sixty-six".