166494 has 8 divisors (see below), whose sum is σ = 333000. Its totient is φ = 55496.

The previous prime is 166487. The next prime is 166541. The reversal of 166494 is 494661.

166494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

166494 is an admirable number.

It is a Curzon number.

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 166494.

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, 13869 + ... + 13880.

It is an arithmetic number, because the mean of its divisors is an integer number (41625).

2¹⁶⁶⁴⁹⁴ is an apocalyptic number.

166494 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.

166494 is a wasteful number, since it uses less digits than its factorization.

166494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27754.

The product of its digits is 5184, while the sum is 30.

The square root of 166494 is about 408.0367630496. The cubic root of 166494 is about 55.0131098225.

Subtracting from 166494 its sum of digits (30), we obtain a square (166464 = 408²).

It can be divided in two parts, 16649 and 4, that added together give a triangular number (16653 = T₁₈₂).

The spelling of 166494 in words is "one hundred sixty-six thousand, four hundred ninety-four".