68816080908 has 36 divisors (see below), whose sum is σ = 175119235200. Its totient is φ = 22784740896.

The previous prime is 68816080873. The next prime is 68816080909. The reversal of 68816080908 is 80908061886.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (68816080909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6409260 + ... + 6419987.

It is an arithmetic number, because the mean of its divisors is an integer number (4864423200).

Almost surely, 2^68816080908 is an apocalyptic number.

It is an amenable number.

68816080908 is an abundant number, since it is smaller than the sum of its proper divisors (106303154292).

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

68816080908 is a wasteful number, since it uses less digits than its factorization.

68816080908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12829406 (or 12829401 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 54.

The spelling of 68816080908 in words is "sixty-eight billion, eight hundred sixteen million, eighty thousand, nine hundred eight".