68445083312 has 20 divisors (see below), whose sum is σ = 133624661016. Its totient is φ = 33961299840.

The previous prime is 68445083309. The next prime is 68445083327. The reversal of 68445083312 is 21338054486.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16325453 + ... + 16329644.

Almost surely, 2^68445083312 is an apocalyptic number.

It is an amenable number.

68445083312 is a deficient number, since it is larger than the sum of its proper divisors (65179577704).

68445083312 is a wasteful number, since it uses less digits than its factorization.

68445083312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32655236 (or 32655230 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 44.

The spelling of 68445083312 in words is "sixty-eight billion, four hundred forty-five million, eighty-three thousand, three hundred twelve".