556115660 has 12 divisors (see below), whose sum is σ = 1167842928. Its totient is φ = 222446256.

The previous prime is 556115653. The next prime is 556115663. The reversal of 556115660 is 66511655.

It is a self number, because there is not a number n which added to its sum of digits gives 556115660.

It is not an unprimeable number, because it can be changed into a prime (556115663) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 13902872 + ... + 13902911.

It is an arithmetic number, because the mean of its divisors is an integer number (97320244).

Almost surely, 2^556115660 is an apocalyptic number.

It is an amenable number.

556115660 is an abundant number, since it is smaller than the sum of its proper divisors (611727268).

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

556115660 is a wasteful number, since it uses less digits than its factorization.

556115660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27805792 (or 27805790 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 556115660 is about 23582.1046558614. The cubic root of 556115660 is about 822.3468659211.

The spelling of 556115660 in words is "five hundred fifty-six million, one hundred fifteen thousand, six hundred sixty".