168358272 has 64 divisors (see below), whose sum is σ = 461660160. Its totient is φ = 54305280.

The previous prime is 168358217. The next prime is 168358283. The reversal of 168358272 is 272853861.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4833 + ... + 18975.

It is an arithmetic number, because the mean of its divisors is an integer number (7213440).

Almost surely, 2^168358272 is an apocalyptic number.

168358272 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 168358272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230830080).

168358272 is an abundant number, since it is smaller than the sum of its proper divisors (293301888).

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

168358272 is a wasteful number, since it uses less digits than its factorization.

168358272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14191 (or 14179 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 168358272 is about 12975.2946787347. The cubic root of 168358272 is about 552.1767969708.

The spelling of 168358272 in words is "one hundred sixty-eight million, three hundred fifty-eight thousand, two hundred seventy-two".