168512372 has 36 divisors (see below), whose sum is σ = 347417280. Its totient is φ = 71298864.

The previous prime is 168512369. The next prime is 168512389. The reversal of 168512372 is 273215861.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10043 + ... + 20925.

It is an arithmetic number, because the mean of its divisors is an integer number (9650480).

Almost surely, 2^168512372 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 168512372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173708640).

168512372 is an abundant number, since it is smaller than the sum of its proper divisors (178904908).

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

168512372 is a wasteful number, since it uses less digits than its factorization.

168512372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10980 (or 10971 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 168512372 is about 12981.2315286339. The cubic root of 168512372 is about 552.3452165664.

The spelling of 168512372 in words is "one hundred sixty-eight million, five hundred twelve thousand, three hundred seventy-two".