168896231568 has 160 divisors (see below), whose sum is σ = 506539008000. Its totient is φ = 53780056704.

The previous prime is 168896231557. The next prime is 168896231579. The reversal of 168896231568 is 865132698861.

168896231568 is a `hidden beast` number, since 1 + 6 + 8 + 8 + 9 + 62 + 3 + 1 + 568 = 666.

It is an interprime number because it is at equal distance from previous prime (168896231557) and next prime (168896231579).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7808833 + ... + 7830431.

It is an arithmetic number, because the mean of its divisors is an integer number (3165868800).

Almost surely, 2^168896231568 is an apocalyptic number.

168896231568 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168896231568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253269504000).

168896231568 is an abundant number, since it is smaller than the sum of its proper divisors (337642776432).

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

168896231568 is a wasteful number, since it uses less digits than its factorization.

168896231568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22426 (or 22414 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 63.

The spelling of 168896231568 in words is "one hundred sixty-eight billion, eight hundred ninety-six million, two hundred thirty-one thousand, five hundred sixty-eight".