556500610665 has 48 divisors (see below), whose sum is σ = 991171891008. Its totient is φ = 288632792448.

The previous prime is 556500610649. The next prime is 556500610727. The reversal of 556500610665 is 566016005655.

It is not a de Polignac number, because 556500610665 - 2⁴ = 556500610649 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 556500610665.

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, 3251562 + ... + 3418428.

It is an arithmetic number, because the mean of its divisors is an integer number (20649414396).

Almost surely, 2^556500610665 is an apocalyptic number.

It is an amenable number.

556500610665 is a deficient number, since it is larger than the sum of its proper divisors (434671280343).

556500610665 is a wasteful number, since it uses less digits than its factorization.

556500610665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168918 (or 168915 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 45.

The spelling of 556500610665 in words is "five hundred fifty-six billion, five hundred million, six hundred ten thousand, six hundred sixty-five".