556515606651 has 32 divisors (see below), whose sum is σ = 755545190400. Its totient is φ = 364294025760.

The previous prime is 556515606637. The next prime is 556515606659. The reversal of 556515606651 is 156606515655.

It is not a de Polignac number, because 556515606651 - 2⁹ = 556515606139 is a prime.

It is a super-2 number, since 2×556515606651² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 556515606594 and 556515606603.

It is not an unprimeable number, because it can be changed into a prime (556515606659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54883540 + ... + 54893678.

It is an arithmetic number, because the mean of its divisors is an integer number (23610787200).

Almost surely, 2^556515606651 is an apocalyptic number.

556515606651 is a deficient number, since it is larger than the sum of its proper divisors (199029583749).

556515606651 is a wasteful number, since it uses less digits than its factorization.

556515606651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11239.

The product of its (nonzero) digits is 4050000, while the sum is 51.

The spelling of 556515606651 in words is "five hundred fifty-six billion, five hundred fifteen million, six hundred six thousand, six hundred fifty-one".