321164 has 12 divisors (see below), whose sum is σ = 595224. Its totient is φ = 151104.

The previous prime is 321163. The next prime is 321169. The reversal of 321164 is 461123.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 321164.

It is not an unprimeable number, because it can be changed into a prime (321163) 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, 2294 + ... + 2429.

It is an arithmetic number, because the mean of its divisors is an integer number (49602).

2³²¹¹⁶⁴ is an apocalyptic number.

321164 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

321164 is a deficient number, since it is larger than the sum of its proper divisors (274060).

321164 is a wasteful number, since it uses less digits than its factorization.

321164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4744 (or 4742 counting only the distinct ones).

The product of its digits is 144, while the sum is 17.

The square root of 321164 is about 566.7133314119. The cubic root of 321164 is about 68.4818713459.

Adding to 321164 its reverse (461123), we get a palindrome (782287).

The spelling of 321164 in words is "three hundred twenty-one thousand, one hundred sixty-four".