68251665846 has 32 divisors (see below), whose sum is σ = 168004101888. Its totient is φ = 18000439200.

The previous prime is 68251665817. The next prime is 68251665863. The reversal of 68251665846 is 64856615286.

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, 62500980 + ... + 62502071.

It is an arithmetic number, because the mean of its divisors is an integer number (5250128184).

Almost surely, 2^68251665846 is an apocalyptic number.

68251665846 is an abundant number, since it is smaller than the sum of its proper divisors (99752436042).

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

68251665846 is a wasteful number, since it uses less digits than its factorization.

68251665846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125003076.

The product of its digits is 16588800, while the sum is 57.

The spelling of 68251665846 in words is "sixty-eight billion, two hundred fifty-one million, six hundred sixty-five thousand, eight hundred forty-six".