164959 has 4 divisors (see below), whose sum is σ = 165816. Its totient is φ = 164104.

The previous prime is 164953. The next prime is 164963. The reversal of 164959 is 959461.

164959 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 164959 - 2⁷ = 164831 is a prime.

It is a super-2 number, since 2×164959² = 54422943362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164953) 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, 12 + ... + 574.

It is an arithmetic number, because the mean of its divisors is an integer number (41454).

2¹⁶⁴⁹⁵⁹ is an apocalyptic number.

164959 is a deficient number, since it is larger than the sum of its proper divisors (857).

164959 is an equidigital number, since it uses as much as digits as its factorization.

164959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856.

The product of its digits is 9720, while the sum is 34.

The square root of 164959 is about 406.1514495850. The cubic root of 164959 is about 54.8435221769.

The spelling of 164959 in words is "one hundred sixty-four thousand, nine hundred fifty-nine".