556303660 has 48 divisors (see below), whose sum is σ = 1341527040. Its totient is φ = 191643840.

The previous prime is 556303639. The next prime is 556303661. The reversal of 556303660 is 66303655.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (556303661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62364 + ... + 70723.

It is an arithmetic number, because the mean of its divisors is an integer number (27948480).

Almost surely, 2^556303660 is an apocalyptic number.

It is an amenable number.

556303660 is an abundant number, since it is smaller than the sum of its proper divisors (785223380).

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

556303660 is a wasteful number, since it uses less digits than its factorization.

556303660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133126 (or 133124 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 34.

The square root of 556303660 is about 23586.0903924326. The cubic root of 556303660 is about 822.4395227811.

The spelling of 556303660 in words is "five hundred fifty-six million, three hundred three thousand, six hundred sixty".