168738216 has 32 divisors (see below), whose sum is σ = 424888800. Its totient is φ = 55840320.

The previous prime is 168738203. The next prime is 168738217. The reversal of 168738216 is 612837861.

168738216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (168738217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21955 + ... + 28626.

It is an arithmetic number, because the mean of its divisors is an integer number (13277775).

Almost surely, 2^168738216 is an apocalyptic number.

It is an amenable number.

168738216 is an abundant number, since it is smaller than the sum of its proper divisors (256150584).

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

168738216 is a wasteful number, since it uses less digits than its factorization.

168738216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50729 (or 50725 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 168738216 is about 12989.9274824766. The cubic root of 168738216 is about 552.5918614960.

It can be divided in two parts, 1687 and 38216, that added together give a triangular number (39903 = T₂₈₂).

The spelling of 168738216 in words is "one hundred sixty-eight million, seven hundred thirty-eight thousand, two hundred sixteen".