173162161 has 8 divisors (see below), whose sum is σ = 183300480. Its totient is φ = 163301712.

The previous prime is 173162159. The next prime is 173162167. The reversal of 173162161 is 161261371.

173162161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 173162161 - 2¹ = 173162159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (173162167) 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, 68185 + ... + 70678.

It is an arithmetic number, because the mean of its divisors is an integer number (22912560).

Almost surely, 2^173162161 is an apocalyptic number.

It is an amenable number.

173162161 is a deficient number, since it is larger than the sum of its proper divisors (10138319).

173162161 is a wasteful number, since it uses less digits than its factorization.

173162161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138935.

The product of its digits is 1512, while the sum is 28.

The square root of 173162161 is about 13159.1094303528. The cubic root of 173162161 is about 557.3795094430.

The spelling of 173162161 in words is "one hundred seventy-three million, one hundred sixty-two thousand, one hundred sixty-one".