168317378005 has 32 divisors (see below), whose sum is σ = 235346114304. Its totient is φ = 113165085696.

The previous prime is 168317377981. The next prime is 168317378039. The reversal of 168317378005 is 500873713861.

It is a cyclic number.

It is not a de Polignac number, because 168317378005 - 2⁹ = 168317377493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 168317378005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2851602 + ... + 2910028.

It is an arithmetic number, because the mean of its divisors is an integer number (7354566072).

Almost surely, 2^168317378005 is an apocalyptic number.

It is an amenable number.

168317378005 is a deficient number, since it is larger than the sum of its proper divisors (67028736299).

168317378005 is a wasteful number, since it uses less digits than its factorization.

168317378005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60045.

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 168317378005 in words is "one hundred sixty-eight billion, three hundred seventeen million, three hundred seventy-eight thousand, five".