164273 has 4 divisors (see below), whose sum is σ = 167028. Its totient is φ = 161520.

The previous prime is 164267. The next prime is 164279. The reversal of 164273 is 372461.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (164267) and next prime (164279).

It can be written as a sum of positive squares in 2 ways, for example, as 29584 + 134689 = 172^2 + 367^2 .

It is a cyclic number.

It is not a de Polignac number, because 164273 - 2⁶ = 164209 is a prime.

It is a d-powerful number, because it can be written as 1 + 6 + 2¹⁷ + 4⁷ + 7⁵ + 3 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164279) 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 in 3 ways as a sum of consecutive naturals, for example, 1286 + ... + 1407.

It is an arithmetic number, because the mean of its divisors is an integer number (41757).

2¹⁶⁴²⁷³ is an apocalyptic number.

It is an amenable number.

164273 is a deficient number, since it is larger than the sum of its proper divisors (2755).

164273 is an equidigital number, since it uses as much as digits as its factorization.

164273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2754.

The product of its digits is 1008, while the sum is 23.

The square root of 164273 is about 405.3060571963. The cubic root of 164273 is about 54.7673922907.

The spelling of 164273 in words is "one hundred sixty-four thousand, two hundred seventy-three".