172163 has 4 divisors (see below), whose sum is σ = 173880. Its totient is φ = 170448.

The previous prime is 172157. The next prime is 172169. The reversal of 172163 is 361271.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (172157) and next prime (172169).

It is a cyclic number.

It is not a de Polignac number, because 172163 - 2⁴ = 172147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698 + ... + 911.

It is an arithmetic number, because the mean of its divisors is an integer number (43470).

2¹⁷²¹⁶³ is an apocalyptic number.

172163 is a deficient number, since it is larger than the sum of its proper divisors (1717).

172163 is a wasteful number, since it uses less digits than its factorization.

172163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716.

The product of its digits is 252, while the sum is 20.

The square root of 172163 is about 414.9252944808. The cubic root of 172163 is about 55.6305397841.

The spelling of 172163 in words is "one hundred seventy-two thousand, one hundred sixty-three".