68810664110 has 16 divisors (see below), whose sum is σ = 123975079200. Its totient is φ = 27498513696.

The previous prime is 68810664089. The next prime is 68810664163. The reversal of 68810664110 is 1146601886.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3207770 + ... + 3229149.

It is an arithmetic number, because the mean of its divisors is an integer number (7748442450).

Almost surely, 2^68810664110 is an apocalyptic number.

68810664110 is a deficient number, since it is larger than the sum of its proper divisors (55164415090).

68810664110 is a wasteful number, since it uses less digits than its factorization.

68810664110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6437995.

The product of its (nonzero) digits is 55296, while the sum is 41.

The spelling of 68810664110 in words is "sixty-eight billion, eight hundred ten million, six hundred sixty-four thousand, one hundred ten".