163165223 has 8 divisors (see below), whose sum is σ = 181776000. Its totient is φ = 145420128.

The previous prime is 163165193. The next prime is 163165229. The reversal of 163165223 is 322561361.

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 163165223 - 2⁶ = 163165159 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163165229) 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, 216023 + ... + 216776.

It is an arithmetic number, because the mean of its divisors is an integer number (22722000).

Almost surely, 2^163165223 is an apocalyptic number.

163165223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

163165223 is a deficient number, since it is larger than the sum of its proper divisors (18610777).

163165223 is a wasteful number, since it uses less digits than its factorization.

163165223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432841.

The product of its digits is 6480, while the sum is 29.

The square root of 163165223 is about 12773.6143279809. The cubic root of 163165223 is about 546.4400632715.

The spelling of 163165223 in words is "one hundred sixty-three million, one hundred sixty-five thousand, two hundred twenty-three".