556402000655 has 8 divisors (see below), whose sum is σ = 668593295232. Its totient is φ = 444514337568.

The previous prime is 556402000643. The next prime is 556402000663. The reversal of 556402000655 is 556000204655.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 556402000655 - 2¹⁸ = 556401738511 is a prime.

It is a Duffinian 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, 75903839 + ... + 75911168.

It is an arithmetic number, because the mean of its divisors is an integer number (83574161904).

Almost surely, 2^556402000655 is an apocalyptic number.

556402000655 is a deficient number, since it is larger than the sum of its proper divisors (112191294577).

556402000655 is a wasteful number, since it uses less digits than its factorization.

556402000655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151815745.

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 556402000655 in words is "five hundred fifty-six billion, four hundred two million, six hundred fifty-five", and thus it is an aban number.