556710000066 has 96 divisors (see below), whose sum is σ = 1398025137600. Its totient is φ = 158480461440.

The previous prime is 556710000059. The next prime is 556710000157. The reversal of 556710000066 is 660000017655.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1097736 + ... + 1522643.

It is an arithmetic number, because the mean of its divisors is an integer number (14562761850).

Almost surely, 2^556710000066 is an apocalyptic number.

556710000066 is an abundant number, since it is smaller than the sum of its proper divisors (841315137534).

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

556710000066 is a wasteful number, since it uses less digits than its factorization.

556710000066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2620464 (or 2620461 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The spelling of 556710000066 in words is "five hundred fifty-six billion, seven hundred ten million, sixty-six", and thus it is an aban number.