168436324 has 48 divisors (see below), whose sum is σ = 345744000. Its totient is φ = 71768928.

The previous prime is 168436319. The next prime is 168436343. The reversal of 168436324 is 423634861.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 401787 + ... + 402205.

It is an arithmetic number, because the mean of its divisors is an integer number (7203000).

Almost surely, 2^168436324 is an apocalyptic number.

168436324 is a gapful number since it is divisible by the number (14) 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 168436324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172872000).

168436324 is an abundant number, since it is smaller than the sum of its proper divisors (177307676).

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

168436324 is a wasteful number, since it uses less digits than its factorization.

168436324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737 (or 721 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

The square root of 168436324 is about 12978.3020461076. The cubic root of 168436324 is about 552.2621147168.

The spelling of 168436324 in words is "one hundred sixty-eight million, four hundred thirty-six thousand, three hundred twenty-four".