164579 has 4 divisors (see below), whose sum is σ = 169920. Its totient is φ = 159240.

The previous prime is 164569. The next prime is 164581. The reversal of 164579 is 975461.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 975461 = 487 ⋅2003.

It is a cyclic number.

It is not a de Polignac number, because 164579 - 2¹² = 160483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2624 + ... + 2685.

It is an arithmetic number, because the mean of its divisors is an integer number (42480).

2¹⁶⁴⁵⁷⁹ is an apocalyptic number.

164579 is a deficient number, since it is larger than the sum of its proper divisors (5341).

164579 is an equidigital number, since it uses as much as digits as its factorization.

164579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5340.

The product of its digits is 7560, while the sum is 32.

The square root of 164579 is about 405.6833740739. The cubic root of 164579 is about 54.8013772364.

The spelling of 164579 in words is "one hundred sixty-four thousand, five hundred seventy-nine".