556650665064 has 48 divisors (see below), whose sum is σ = 1623564442500. Its totient is φ = 171277127424.

The previous prime is 556650665033. The next prime is 556650665083. The reversal of 556650665064 is 460566056655.

It can be written as a sum of positive squares in 2 ways, for example, as 556172892900 + 477772164 = 745770^2 + 21858^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 556650665064.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 297355189 + ... + 297357060.

Almost surely, 2^556650665064 is an apocalyptic number.

It is an amenable number.

556650665064 is an abundant number, since it is smaller than the sum of its proper divisors (1066913777436).

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

556650665064 is a wasteful number, since it uses less digits than its factorization.

556650665064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594712274 (or 594712267 counting only the distinct ones).

The product of its (nonzero) digits is 19440000, while the sum is 54.

The spelling of 556650665064 in words is "five hundred fifty-six billion, six hundred fifty million, six hundred sixty-five thousand, sixty-four".