557993269731618 has 96 divisors (see below), whose sum is σ = 1404370175270400. Its totient is φ = 156810665508480.

The previous prime is 557993269731607. The next prime is 557993269731631. The reversal of 557993269731618 is 816137962399755.

557993269731618 is a `hidden beast` number, since 5 + 579 + 9 + 3 + 2 + 6 + 9 + 7 + 31 + 6 + 1 + 8 = 666.

It is a super-2 number, since 2×557993269731618² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 527399808 + ... + 528456756.

It is an arithmetic number, because the mean of its divisors is an integer number (14628855992400).

Almost surely, 2^{557993269731618} is an apocalyptic number.

557993269731618 is an abundant number, since it is smaller than the sum of its proper divisors (846376905538782).

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

557993269731618 is a wasteful number, since it uses less digits than its factorization.

557993269731618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125712 (or 1125709 counting only the distinct ones).

The product of its digits is 4629441600, while the sum is 81.

The spelling of 557993269731618 in words is "five hundred fifty-seven trillion, nine hundred ninety-three billion, two hundred sixty-nine million, seven hundred thirty-one thousand, six hundred eighteen".