164559 has 8 divisors (see below), whose sum is σ = 231040. Its totient is φ = 103896.

The previous prime is 164531. The next prime is 164569. The reversal of 164559 is 955461.

164559 = T₁₂₂ + T₁₂₃ + ... + T₁₄₀.

164559 is nontrivially palindromic in base 13.

164559 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 164559 - 2⁷ = 164431 is a prime.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 1387 + ... + 1500.

It is an arithmetic number, because the mean of its divisors is an integer number (28880).

2¹⁶⁴⁵⁵⁹ is an apocalyptic number.

164559 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

164559 is a deficient number, since it is larger than the sum of its proper divisors (66481).

164559 is a wasteful number, since it uses less digits than its factorization.

164559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2909.

The product of its digits is 5400, while the sum is 30.

The square root of 164559 is about 405.6587235596. The cubic root of 164559 is about 54.7991572854.

The spelling of 164559 in words is "one hundred sixty-four thousand, five hundred fifty-nine".