163790025 has 24 divisors (see below), whose sum is σ = 309486144. Its totient is φ = 74875200.

The previous prime is 163790017. The next prime is 163790047. The reversal of 163790025 is 520097361.

163790025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 163790025 - 2³ = 163790017 is a prime.

It is a Curzon number.

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, 155466 + ... + 156515.

It is an arithmetic number, because the mean of its divisors is an integer number (12895256).

Almost surely, 2^163790025 is an apocalyptic number.

163790025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

163790025 is a deficient number, since it is larger than the sum of its proper divisors (145696119).

163790025 is a wasteful number, since it uses less digits than its factorization.

163790025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312001 (or 311996 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 163790025 is about 12798.0477026772. The cubic root of 163790025 is about 547.1366618310.

The spelling of 163790025 in words is "one hundred sixty-three million, seven hundred ninety thousand, twenty-five".