556664466655 has 32 divisors (see below), whose sum is σ = 737922451968. Its totient is φ = 399759542400.

The previous prime is 556664466641. The next prime is 556664466661.

556664466655 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-556664466655 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1824165 + ... + 2107345.

It is an arithmetic number, because the mean of its divisors is an integer number (23060076624).

Almost surely, 2^556664466655 is an apocalyptic number.

556664466655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

556664466655 is a deficient number, since it is larger than the sum of its proper divisors (181257985313).

556664466655 is a wasteful number, since it uses less digits than its factorization.

556664466655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283647.

The product of its digits is 466560000, while the sum is 64.

The spelling of 556664466655 in words is "five hundred fifty-six billion, six hundred sixty-four million, four hundred sixty-six thousand, six hundred fifty-five".