168652225 has 24 divisors (see below), whose sum is σ = 239845760. Its totient is φ = 115240320.

The previous prime is 168652217. The next prime is 168652247. The reversal of 168652225 is 522256861.

It is not a de Polignac number, because 168652225 - 2³ = 168652217 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 53236 + ... + 56314.

Almost surely, 2^168652225 is an apocalyptic number.

It is an amenable number.

168652225 is a deficient number, since it is larger than the sum of its proper divisors (71193535).

168652225 is a wasteful number, since it uses less digits than its factorization.

168652225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3409 (or 3404 counting only the distinct ones).

The product of its digits is 57600, while the sum is 37.

The square root of 168652225 is about 12986.6171499740. The cubic root of 168652225 is about 552.4979764195.

The spelling of 168652225 in words is "one hundred sixty-eight million, six hundred fifty-two thousand, two hundred twenty-five".