556314660 has 72 divisors (see below), whose sum is σ = 1840902336. Its totient is φ = 134863680.

The previous prime is 556314617. The next prime is 556314673. The reversal of 556314660 is 66413655.

556314660 is a `hidden beast` number, since 556 + 3 + 1 + 46 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138504 + ... + 142463.

It is an arithmetic number, because the mean of its divisors is an integer number (25568088).

Almost surely, 2^556314660 is an apocalyptic number.

It is an amenable number.

556314660 is an abundant number, since it is smaller than the sum of its proper divisors (1284587676).

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

556314660 is a wasteful number, since it uses less digits than its factorization.

556314660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280993 (or 280988 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 556314660 is about 23586.3235795662. The cubic root of 556314660 is about 822.4449435467. Note that the first 3 decimals are identical.

The spelling of 556314660 in words is "five hundred fifty-six million, three hundred fourteen thousand, six hundred sixty".