168238467717 has 32 divisors (see below), whose sum is σ = 233820000000. Its totient is φ = 107468175360.

The previous prime is 168238467707. The next prime is 168238467731. The reversal of 168238467717 is 717764832861.

168238467717 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 168238467717 - 2⁸ = 168238467461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168238467707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16185592 + ... + 16195982.

It is an arithmetic number, because the mean of its divisors is an integer number (7306875000).

Almost surely, 2^168238467717 is an apocalyptic number.

It is an amenable number.

168238467717 is a deficient number, since it is larger than the sum of its proper divisors (65581532283).

168238467717 is a wasteful number, since it uses less digits than its factorization.

168238467717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11821.

The product of its digits is 18966528, while the sum is 60.

The spelling of 168238467717 in words is "one hundred sixty-eight billion, two hundred thirty-eight million, four hundred sixty-seven thousand, seven hundred seventeen".