68374365618 has 64 divisors (see below), whose sum is σ = 158624040960. Its totient is φ = 19467459648.

The previous prime is 68374365589. The next prime is 68374365643. The reversal of 68374365618 is 81656347386.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 472746 + ... + 600197.

It is an arithmetic number, because the mean of its divisors is an integer number (2478500640).

Almost surely, 2^68374365618 is an apocalyptic number.

68374365618 is an abundant number, since it is smaller than the sum of its proper divisors (90249675342).

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

68374365618 is a wasteful number, since it uses less digits than its factorization.

68374365618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073023.

The product of its digits is 17418240, while the sum is 57.

The spelling of 68374365618 in words is "sixty-eight billion, three hundred seventy-four million, three hundred sixty-five thousand, six hundred eighteen".