163199325 has 12 divisors (see below), whose sum is σ = 269823008. Its totient is φ = 87039600.

The previous prime is 163199321. The next prime is 163199401. The reversal of 163199325 is 523991361.

It is not a de Polignac number, because 163199325 - 2² = 163199321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163199321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1087921 + ... + 1088070.

Almost surely, 2^163199325 is an apocalyptic number.

163199325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

163199325 is a deficient number, since it is larger than the sum of its proper divisors (106623683).

163199325 is a wasteful number, since it uses less digits than its factorization.

163199325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2176004 (or 2175999 counting only the distinct ones).

The product of its digits is 43740, while the sum is 39.

The square root of 163199325 is about 12774.9491192725. The cubic root of 163199325 is about 546.4781298003.

The spelling of 163199325 in words is "one hundred sixty-three million, one hundred ninety-nine thousand, three hundred twenty-five".