168225472 has 28 divisors (see below), whose sum is σ = 353461320. Its totient is φ = 79164416.

The previous prime is 168225469. The next prime is 168225481. The reversal of 168225472 is 274522861.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76222 + ... + 78397.

Almost surely, 2^168225472 is an apocalyptic number.

It is an amenable number.

168225472 is an abundant number, since it is smaller than the sum of its proper divisors (185235848).

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

168225472 is a wasteful number, since it uses less digits than its factorization.

168225472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154648 (or 154638 counting only the distinct ones).

The product of its digits is 53760, while the sum is 37.

The square root of 168225472 is about 12970.1762516937. The cubic root of 168225472 is about 552.0315741934.

The spelling of 168225472 in words is "one hundred sixty-eight million, two hundred twenty-five thousand, four hundred seventy-two".