556064460655 has 24 divisors (see below), whose sum is σ = 735147853776. Its totient is φ = 403476353280.

The previous prime is 556064460641. The next prime is 556064460727.

556064460655 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 556064460655 - 2⁷ = 556064460527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 799369 + ... + 1323298.

It is an arithmetic number, because the mean of its divisors is an integer number (30631160574).

Almost surely, 2^556064460655 is an apocalyptic number.

556064460655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

556064460655 is a deficient number, since it is larger than the sum of its proper divisors (179083393121).

556064460655 is a wasteful number, since it uses less digits than its factorization.

556064460655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123127 (or 2123116 counting only the distinct ones).

The product of its (nonzero) digits is 12960000, while the sum is 52.

The spelling of 556064460655 in words is "five hundred fifty-six billion, sixty-four million, four hundred sixty thousand, six hundred fifty-five".