168459912 has 160 divisors (see below), whose sum is σ = 501811200. Its totient is φ = 52690176.

The previous prime is 168459883. The next prime is 168459913. The reversal of 168459912 is 219954861.

It is not an unprimeable number, because it can be changed into a prime (168459913) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1326393 + ... + 1326519.

It is an arithmetic number, because the mean of its divisors is an integer number (3136320).

Almost surely, 2^168459912 is an apocalyptic number.

168459912 is a gapful number since it is divisible by the number (12) 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 168459912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250905600).

168459912 is an abundant number, since it is smaller than the sum of its proper divisors (333351288).

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

168459912 is a wasteful number, since it uses less digits than its factorization.

168459912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257 (or 244 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 168459912 is about 12979.2107618299. The cubic root of 168459912 is about 552.2878933026.

The spelling of 168459912 in words is "one hundred sixty-eight million, four hundred fifty-nine thousand, nine hundred twelve".