556722160 has 20 divisors (see below), whose sum is σ = 1294379208. Its totient is φ = 222688832.

The previous prime is 556722151. The next prime is 556722167. The reversal of 556722160 is 61227655.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556722167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3479434 + ... + 3479593.

Almost surely, 2^556722160 is an apocalyptic number.

It is an amenable number.

556722160 is an abundant number, since it is smaller than the sum of its proper divisors (737657048).

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

556722160 is a wasteful number, since it uses less digits than its factorization.

556722160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6959040 (or 6959034 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 556722160 is about 23594.9604788819. The cubic root of 556722160 is about 822.6457079344.

The spelling of 556722160 in words is "five hundred fifty-six million, seven hundred twenty-two thousand, one hundred sixty".