556665006 has 16 divisors (see below), whose sum is σ = 1113589584. Its totient is φ = 185511744.

The previous prime is 556664959. The next prime is 556665019. The reversal of 556665006 is 600566655.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27516 + ... + 43248.

It is an arithmetic number, because the mean of its divisors is an integer number (69599349).

Almost surely, 2^556665006 is an apocalyptic number.

556665006 is an abundant number, since it is smaller than the sum of its proper divisors (556924578).

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

556665006 is a wasteful number, since it uses less digits than its factorization.

556665006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21635.

The product of its (nonzero) digits is 162000, while the sum is 39.

The square root of 556665006 is about 23593.7492993377. The cubic root of 556665006 is about 822.6175555901.

The spelling of 556665006 in words is "five hundred fifty-six million, six hundred sixty-five thousand, six".