556468864655 has 32 divisors (see below), whose sum is σ = 731095884288. Its totient is φ = 403245820800.

The previous prime is 556468864621. The next prime is 556468864723.

It is a happy number.

556468864655 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 556468864655 - 2¹⁰ = 556468863631 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94941425 + ... + 94947285.

It is an arithmetic number, because the mean of its divisors is an integer number (22846746384).

Almost surely, 2^556468864655 is an apocalyptic number.

556468864655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

556468864655 is a deficient number, since it is larger than the sum of its proper divisors (174627019633).

556468864655 is a wasteful number, since it uses less digits than its factorization.

556468864655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11807.

The product of its digits is 829440000, while the sum is 68.

The spelling of 556468864655 in words is "five hundred fifty-six billion, four hundred sixty-eight million, eight hundred sixty-four thousand, six hundred fifty-five".