168338912 has 72 divisors (see below), whose sum is σ = 387885456. Its totient is φ = 71914752.

The previous prime is 168338899. The next prime is 168338921. The reversal of 168338912 is 219833861.

It is a self number, because there is not a number n which added to its sum of digits gives 168338912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 537668 + ... + 537980.

It is an arithmetic number, because the mean of its divisors is an integer number (5387298).

Almost surely, 2^168338912 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 168338912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193942728).

168338912 is an abundant number, since it is smaller than the sum of its proper divisors (219546544).

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

168338912 is an frugal number, since it uses more digits than its factorization.

168338912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358 (or 322 counting only the distinct ones).

The product of its digits is 62208, while the sum is 41.

The square root of 168338912 is about 12974.5486241333. The cubic root of 168338912 is about 552.1556306956.

The spelling of 168338912 in words is "one hundred sixty-eight million, three hundred thirty-eight thousand, nine hundred twelve".