168855919168 has 56 divisors (see below), whose sum is σ = 338512798208. Its totient is φ = 83562264576.

The previous prime is 168855919153. The next prime is 168855919171. The reversal of 168855919168 is 861919558861.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14120680 + ... + 14132632.

Almost surely, 2^168855919168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168855919168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169256399104).

168855919168 is an abundant number, since it is smaller than the sum of its proper divisors (169656879040).

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

168855919168 is a wasteful number, since it uses less digits than its factorization.

168855919168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14211 (or 14201 counting only the distinct ones).

The product of its digits is 37324800, while the sum is 67.

The spelling of 168855919168 in words is "one hundred sixty-eight billion, eight hundred fifty-five million, nine hundred nineteen thousand, one hundred sixty-eight".