68130716718 has 16 divisors (see below), whose sum is σ = 139584883536. Its totient is φ = 22156330560.

The previous prime is 68130716683. The next prime is 68130716737. The reversal of 68130716718 is 81761703186.

It is a happy number.

It is a Curzon number.

It is a congruent number.

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, 138476821 + ... + 138477312.

It is an arithmetic number, because the mean of its divisors is an integer number (8724055221).

Almost surely, 2^68130716718 is an apocalyptic number.

68130716718 is an abundant number, since it is smaller than the sum of its proper divisors (71454166818).

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

68130716718 is a wasteful number, since it uses less digits than its factorization.

68130716718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276954179.

The product of its (nonzero) digits is 338688, while the sum is 48.

The spelling of 68130716718 in words is "sixty-eight billion, one hundred thirty million, seven hundred sixteen thousand, seven hundred eighteen".