556790618 has 8 divisors (see below), whose sum is σ = 835913748. Its totient is φ = 278152704.

The previous prime is 556790567. The next prime is 556790627. The reversal of 556790618 is 816097655.

It can be written as a sum of positive squares in 2 ways, for example, as 506565049 + 50225569 = 22507^2 + 7087^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118421 + ... + 123032.

Almost surely, 2^556790618 is an apocalyptic number.

556790618 is a deficient number, since it is larger than the sum of its proper divisors (279123130).

556790618 is a wasteful number, since it uses less digits than its factorization.

556790618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242608.

The product of its (nonzero) digits is 453600, while the sum is 47.

The square root of 556790618 is about 23596.4111254233. The cubic root of 556790618 is about 822.6794257538.

The spelling of 556790618 in words is "five hundred fifty-six million, seven hundred ninety thousand, six hundred eighteen".