168225504 has 48 divisors (see below), whose sum is σ = 442502928. Its totient is φ = 55959552.

The previous prime is 168225481. The next prime is 168225509. The reversal of 168225504 is 405522861.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168225509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53874 + ... + 56910.

It is an arithmetic number, because the mean of its divisors is an integer number (9218811).

Almost surely, 2^168225504 is an apocalyptic number.

It is an amenable number.

168225504 is an abundant number, since it is smaller than the sum of its proper divisors (274277424).

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

168225504 is a wasteful number, since it uses less digits than its factorization.

168225504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3627 (or 3619 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 168225504 is about 12970.1774852929. The cubic root of 168225504 is about 552.0316091960.

The spelling of 168225504 in words is "one hundred sixty-eight million, two hundred twenty-five thousand, five hundred four".