164575173 has 16 divisors (see below), whose sum is σ = 255900800. Its totient is φ = 94042368.

The previous prime is 164575171. The next prime is 164575193. The reversal of 164575173 is 371575461.

It is not a de Polignac number, because 164575173 - 2¹ = 164575171 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 (164575171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78940 + ... + 80997.

It is an arithmetic number, because the mean of its divisors is an integer number (15993800).

Almost surely, 2^164575173 is an apocalyptic number.

It is an amenable number.

164575173 is a deficient number, since it is larger than the sum of its proper divisors (91325627).

164575173 is an equidigital number, since it uses as much as digits as its factorization.

164575173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159961 (or 159947 counting only the distinct ones).

The product of its digits is 88200, while the sum is 39.

The square root of 164575173 is about 12828.6855523082. The cubic root of 164575173 is about 548.0095246271.

The spelling of 164575173 in words is "one hundred sixty-four million, five hundred seventy-five thousand, one hundred seventy-three".