556267656 has 32 divisors (see below), whose sum is σ = 1589336640. Its totient is φ = 158933568.

The previous prime is 556267643. The next prime is 556267667. The reversal of 556267656 is 656762655.

It is a super-2 number, since 2×556267656² = 618867410223468672, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 1655391 + ... + 1655726.

It is an arithmetic number, because the mean of its divisors is an integer number (49666770).

Almost surely, 2^556267656 is an apocalyptic number.

556267656 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

556267656 is an abundant number, since it is smaller than the sum of its proper divisors (1033068984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

556267656 is a wasteful number, since it uses less digits than its factorization.

556267656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3311133 (or 3311129 counting only the distinct ones).

The product of its digits is 2268000, while the sum is 48.

The square root of 556267656 is about 23585.3271336227. The cubic root of 556267656 is about 822.4217796230.

The spelling of 556267656 in words is "five hundred fifty-six million, two hundred sixty-seven thousand, six hundred fifty-six".