556000665605 has 64 divisors (see below), whose sum is σ = 875104819200. Its totient is φ = 328973809920.

The previous prime is 556000665569. The next prime is 556000665617. The reversal of 556000665605 is 506566000655.

It is not a de Polignac number, because 556000665605 - 2¹⁶ = 556000600069 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 236714 + ... + 1080756.

It is an arithmetic number, because the mean of its divisors is an integer number (13673512800).

Almost surely, 2^556000665605 is an apocalyptic number.

556000665605 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

556000665605 is a deficient number, since it is larger than the sum of its proper divisors (319104153595).

556000665605 is a wasteful number, since it uses less digits than its factorization.

556000665605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844154.

The product of its (nonzero) digits is 810000, while the sum is 44.

The spelling of 556000665605 in words is "five hundred fifty-six billion, six hundred sixty-five thousand, six hundred five".