168600225 has 24 divisors (see below), whose sum is σ = 279183520. Its totient is φ = 89781120.

The previous prime is 168600217. The next prime is 168600239. The reversal of 168600225 is 522006861.

It is not a de Polignac number, because 168600225 - 2³ = 168600217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 168600192 and 168600201.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63117 + ... + 65733.

Almost surely, 2^168600225 is an apocalyptic number.

168600225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

168600225 is a deficient number, since it is larger than the sum of its proper divisors (110583295).

168600225 is a wasteful number, since it uses less digits than its factorization.

168600225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3489 (or 3484 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 168600225 is about 12984.6149346063. The cubic root of 168600225 is about 552.4411872725.

The spelling of 168600225 in words is "one hundred sixty-eight million, six hundred thousand, two hundred twenty-five".