68085207516 has 12 divisors (see below), whose sum is σ = 158865484232. Its totient is φ = 22695069168.

The previous prime is 68085207511. The next prime is 68085207569. The reversal of 68085207516 is 61570258086.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68085207511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2836883635 + ... + 2836883658.

Almost surely, 2^68085207516 is an apocalyptic number.

It is an amenable number.

68085207516 is an abundant number, since it is smaller than the sum of its proper divisors (90780276716).

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

68085207516 is a wasteful number, since it uses less digits than its factorization.

68085207516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5673767300 (or 5673767298 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 48.

The spelling of 68085207516 in words is "sixty-eight billion, eighty-five million, two hundred seven thousand, five hundred sixteen".