329166 has 12 divisors (see below), whose sum is σ = 713232. Its totient is φ = 109716.

The previous prime is 329143. The next prime is 329167. The reversal of 329166 is 661923.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 329166.

It is not an unprimeable number, because it can be changed into a prime (329167) by changing a digit.

329166 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9126 + ... + 9161.

It is an arithmetic number, because the mean of its divisors is an integer number (59436).

2³²⁹¹⁶⁶ is an apocalyptic number.

329166 is an abundant number, since it is smaller than the sum of its proper divisors (384066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

329166 is a wasteful number, since it uses less digits than its factorization.

329166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18295 (or 18292 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 329166 is about 573.7299016088. The cubic root of 329166 is about 69.0459681088.

The spelling of 329166 in words is "three hundred twenty-nine thousand, one hundred sixty-six".