213676568618 has 16 divisors (see below), whose sum is σ = 327985421280. Its totient is φ = 104348348496.

The previous prime is 213676568603. The next prime is 213676568641. The reversal of 213676568618 is 816865676312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2032421 + ... + 2134967.

It is an arithmetic number, because the mean of its divisors is an integer number (20499088830).

Almost surely, 2^213676568618 is an apocalyptic number.

213676568618 is a deficient number, since it is larger than the sum of its proper divisors (114308852662).

213676568618 is a wasteful number, since it uses less digits than its factorization.

213676568618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126821.

The product of its digits is 17418240, while the sum is 59.

The spelling of 213676568618 in words is "two hundred thirteen billion, six hundred seventy-six million, five hundred sixty-eight thousand, six hundred eighteen".