556656555016 has 32 divisors (see below), whose sum is σ = 1045118822400. Its totient is φ = 277958355840.

The previous prime is 556656555011. The next prime is 556656555017. The reversal of 556656555016 is 610555656655.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (556656555011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46760121 + ... + 46772023.

It is an arithmetic number, because the mean of its divisors is an integer number (32659963200).

Almost surely, 2^556656555016 is an apocalyptic number.

It is an amenable number.

556656555016 is a deficient number, since it is larger than the sum of its proper divisors (488462267384).

556656555016 is a wasteful number, since it uses less digits than its factorization.

556656555016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19189 (or 19185 counting only the distinct ones).

The product of its (nonzero) digits is 20250000, while the sum is 55.

The spelling of 556656555016 in words is "five hundred fifty-six billion, six hundred fifty-six million, five hundred fifty-five thousand, sixteen".