164173 has 2 divisors, whose sum is σ = 164174. Its totient is φ = 164172.

The previous prime is 164149. The next prime is 164183. The reversal of 164173 is 371461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162409 + 1764 = 403^2 + 42^2 .

It is a cyclic number.

It is not a de Polignac number, because 164173 - 2⁹ = 163661 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82086 + 82087.

It is an arithmetic number, because the mean of its divisors is an integer number (82087).

2¹⁶⁴¹⁷³ is an apocalyptic number.

It is an amenable number.

164173 is a deficient number, since it is larger than the sum of its proper divisors (1).

164173 is an equidigital number, since it uses as much as digits as its factorization.

164173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504, while the sum is 22.

The square root of 164173 is about 405.1826748517. The cubic root of 164173 is about 54.7562769504.

The spelling of 164173 in words is "one hundred sixty-four thousand, one hundred seventy-three".