168508912 has 80 divisors (see below), whose sum is σ = 391974912. Its totient is φ = 69154560.

The previous prime is 168508909. The next prime is 168508919. The reversal of 168508912 is 219805861.

168508912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168508919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106753 + ... + 108319.

Almost surely, 2^168508912 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 168508912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195987456).

168508912 is an abundant number, since it is smaller than the sum of its proper divisors (223466000).

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

168508912 is a wasteful number, since it uses less digits than its factorization.

168508912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646 (or 1640 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 40.

The square root of 168508912 is about 12981.0982586220. The cubic root of 168508912 is about 552.3414361762.

The spelling of 168508912 in words is "one hundred sixty-eight million, five hundred eight thousand, nine hundred twelve".