168324600225 has 24 divisors (see below), whose sum is σ = 278312048992. Its totient is φ = 89768160000.

The previous prime is 168324600221. The next prime is 168324600251. The reversal of 168324600225 is 522006423861.

It is not a de Polignac number, because 168324600225 - 2² = 168324600221 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168324600221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1599225 + ... + 1701225.

Almost surely, 2^168324600225 is an apocalyptic number.

168324600225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

168324600225 is a deficient number, since it is larger than the sum of its proper divisors (109987448767).

168324600225 is a wasteful number, since it uses less digits than its factorization.

168324600225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124017 (or 124012 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 168324600225 in words is "one hundred sixty-eight billion, three hundred twenty-four million, six hundred thousand, two hundred twenty-five".