68673637686 has 32 divisors (see below), whose sum is σ = 139170648960. Its totient is φ = 22588983296.

The previous prime is 68673637673. The next prime is 68673637783.

68673637686 is nontrivially palindromic in base 10.

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, 43116 + ... + 373103.

It is an arithmetic number, because the mean of its divisors is an integer number (4349082780).

Almost surely, 2^68673637686 is an apocalyptic number.

68673637686 is an abundant number, since it is smaller than the sum of its proper divisors (70497011274).

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

68673637686 is a wasteful number, since it uses less digits than its factorization.

68673637686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416588.

The product of its digits is 219469824, while the sum is 66.

The spelling of 68673637686 in words is "sixty-eight billion, six hundred seventy-three million, six hundred thirty-seven thousand, six hundred eighty-six".