164166 has 8 divisors (see below), whose sum is σ = 328344. Its totient is φ = 54720.

The previous prime is 164149. The next prime is 164173. The reversal of 164166 is 661461.

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

164166 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13675 + ... + 13686.

It is an arithmetic number, because the mean of its divisors is an integer number (41043).

2¹⁶⁴¹⁶⁶ is an apocalyptic number.

164166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

164166 is a wasteful number, since it uses less digits than its factorization.

164166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27366.

The product of its digits is 864, while the sum is 24.

The square root of 164166 is about 405.1740366805. The cubic root of 164166 is about 54.7554987075.

The spelling of 164166 in words is "one hundred sixty-four thousand, one hundred sixty-six".