555616975618 has 16 divisors (see below), whose sum is σ = 841032955296. Its totient is φ = 275274014400.

The previous prime is 555616975601. The next prime is 555616975621. The reversal of 555616975618 is 816579616555.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 555616975618.

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 7 ways as a sum of consecutive naturals, for example, 485893 + ... + 1160743.

It is an arithmetic number, because the mean of its divisors is an integer number (52564559706).

Almost surely, 2^555616975618 is an apocalyptic number.

555616975618 is a deficient number, since it is larger than the sum of its proper divisors (285415979678).

555616975618 is a wasteful number, since it uses less digits than its factorization.

555616975618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678609.

The product of its digits is 68040000, while the sum is 64.

The spelling of 555616975618 in words is "five hundred fifty-five billion, six hundred sixteen million, nine hundred seventy-five thousand, six hundred eighteen".