320164 has 24 divisors (see below), whose sum is σ = 620928. Its totient is φ = 143520.

The previous prime is 320153. The next prime is 320179. The reversal of 320164 is 461023.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2379 + ... + 2509.

It is an arithmetic number, because the mean of its divisors is an integer number (25872).

2³²⁰¹⁶⁴ is an apocalyptic number.

It is an amenable number.

320164 is a deficient number, since it is larger than the sum of its proper divisors (300764).

320164 is a wasteful number, since it uses less digits than its factorization.

320164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 320164 is about 565.8303632715. The cubic root of 320164 is about 68.4107207071.

Adding to 320164 its reverse (461023), we get a palindrome (781187).

It can be divided in two parts, 320 and 164, that added together give a palindrome (484).

The spelling of 320164 in words is "three hundred twenty thousand, one hundred sixty-four".