556180361 has 8 divisors (see below), whose sum is σ = 620853024. Its totient is φ = 493859520.

The previous prime is 556180351. The next prime is 556180363. The reversal of 556180361 is 163081655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 556180361 - 2⁶ = 556180297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (556180363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 587456 + ... + 588401.

It is an arithmetic number, because the mean of its divisors is an integer number (77606628).

Almost surely, 2^556180361 is an apocalyptic number.

It is an amenable number.

556180361 is a deficient number, since it is larger than the sum of its proper divisors (64672663).

556180361 is a wasteful number, since it uses less digits than its factorization.

556180361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175911.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 556180361 is about 23583.4764400841. The cubic root of 556180361 is about 822.3787565301.

The spelling of 556180361 in words is "five hundred fifty-six million, one hundred eighty thousand, three hundred sixty-one".