5665560600666 has 32 divisors (see below), whose sum is σ = 11340626185728. Its totient is φ = 1886936330240.

The previous prime is 5665560600631. The next prime is 5665560600683. The reversal of 5665560600666 is 6660060655665.

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, 93249850 + ... + 93310586.

It is an arithmetic number, because the mean of its divisors is an integer number (354394568304).

Almost surely, 2^{5665560600666} is an apocalyptic number.

5665560600666 is an abundant number, since it is smaller than the sum of its proper divisors (5675065585062).

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

5665560600666 is a wasteful number, since it uses less digits than its factorization.

5665560600666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73526.

The product of its (nonzero) digits is 34992000, while the sum is 57.

The spelling of 5665560600666 in words is "five trillion, six hundred sixty-five billion, five hundred sixty million, six hundred thousand, six hundred sixty-six".