168064320318756 has 12 divisors (see below), whose sum is σ = 392150080743792. Its totient is φ = 56021440106248.

The previous prime is 168064320318707. The next prime is 168064320318809. The reversal of 168064320318756 is 657813023460861.

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

It is a self number, because there is not a number n which added to its sum of digits gives 168064320318756.

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, 7002680013270 + ... + 7002680013293.

It is an arithmetic number, because the mean of its divisors is an integer number (32679173395316).

Almost surely, 2^{168064320318756} is an apocalyptic number.

It is an amenable number.

168064320318756 is an abundant number, since it is smaller than the sum of its proper divisors (224085760425036).

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

168064320318756 is a wasteful number, since it uses less digits than its factorization.

168064320318756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14005360026570 (or 14005360026568 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 60.

The spelling of 168064320318756 in words is "one hundred sixty-eight trillion, sixty-four billion, three hundred twenty million, three hundred eighteen thousand, seven hundred fifty-six".