68816313126 has 32 divisors (see below), whose sum is σ = 166827427200. Its totient is φ = 20853428040.

The previous prime is 68816313113. The next prime is 68816313143. The reversal of 68816313126 is 62131361886.

68816313126 is a `hidden beast` number, since 6 + 8 + 8 + 1 + 631 + 3 + 1 + 2 + 6 = 666.

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 15 ways as a sum of consecutive naturals, for example, 57925596 + ... + 57926783.

It is an arithmetic number, because the mean of its divisors is an integer number (5213357100).

Almost surely, 2^68816313126 is an apocalyptic number.

68816313126 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

68816313126 is an abundant number, since it is smaller than the sum of its proper divisors (98011114074).

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

68816313126 is a wasteful number, since it uses less digits than its factorization.

68816313126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115852401 (or 115852395 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The spelling of 68816313126 in words is "sixty-eight billion, eight hundred sixteen million, three hundred thirteen thousand, one hundred twenty-six".