163125173 has 8 divisors (see below), whose sum is σ = 164228280. Its totient is φ = 162025920.

The previous prime is 163125167. The next prime is 163125197. The reversal of 163125173 is 371521361.

It can be written as a sum of positive squares in 4 ways, for example, as 79530724 + 83594449 = 8918^2 + 9143^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 163125173 - 2⁸ = 163124917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163125073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172883 + ... + 173823.

It is an arithmetic number, because the mean of its divisors is an integer number (20528535).

Almost surely, 2^163125173 is an apocalyptic number.

It is an amenable number.

163125173 is a deficient number, since it is larger than the sum of its proper divisors (1103107).

163125173 is an equidigital number, since it uses as much as digits as its factorization.

163125173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1927.

The product of its digits is 3780, while the sum is 29.

The square root of 163125173 is about 12772.0465470495. The cubic root of 163125173 is about 546.3953504850.

The spelling of 163125173 in words is "one hundred sixty-three million, one hundred twenty-five thousand, one hundred seventy-three".