168022432 has 12 divisors (see below), whose sum is σ = 330794226. Its totient is φ = 84011200.

The previous prime is 168022409. The next prime is 168022507. The reversal of 168022432 is 234220861.

It can be written as a sum of positive squares in only one way, i.e., 103958416 + 64064016 = 10196^2 + 8004^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 168022432.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2625319 + ... + 2625382.

Almost surely, 2^168022432 is an apocalyptic number.

It is an amenable number.

168022432 is a deficient number, since it is larger than the sum of its proper divisors (162771794).

168022432 is an equidigital number, since it uses as much as digits as its factorization.

168022432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5250711 (or 5250703 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 168022432 is about 12962.3467011186. The cubic root of 168022432 is about 551.8093929877.

The spelling of 168022432 in words is "one hundred sixty-eight million, twenty-two thousand, four hundred thirty-two".