169328173 has 12 divisors (see below), whose sum is σ = 197219772. Its totient is φ = 144957120.

The previous prime is 169328167. The next prime is 169328183. The reversal of 169328173 is 371823961.

It can be written as a sum of positive squares in 2 ways, for example, as 129549924 + 39778249 = 11382^2 + 6307^2 .

It is not a de Polignac number, because 169328173 - 2²¹ = 167231021 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 (169328123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50361 + ... + 53617.

It is an arithmetic number, because the mean of its divisors is an integer number (16434981).

Almost surely, 2^169328173 is an apocalyptic number.

It is an amenable number.

169328173 is a deficient number, since it is larger than the sum of its proper divisors (27891599).

169328173 is a wasteful number, since it uses less digits than its factorization.

169328173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4332 (or 4325 counting only the distinct ones).

The product of its digits is 54432, while the sum is 40.

The square root of 169328173 is about 13012.6159168708. The cubic root of 169328173 is about 553.2351187355.

The spelling of 169328173 in words is "one hundred sixty-nine million, three hundred twenty-eight thousand, one hundred seventy-three".