166836 has 12 divisors (see below), whose sum is σ = 389312. Its totient is φ = 55608.

The previous prime is 166823. The next prime is 166841. The reversal of 166836 is 638661.

166836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

166836 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 3 ways as a sum of consecutive naturals, for example, 6940 + ... + 6963.

2¹⁶⁶⁸³⁶ is an apocalyptic number.

It is an amenable number.

166836 is an abundant number, since it is smaller than the sum of its proper divisors (222476).

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

166836 is a wasteful number, since it uses less digits than its factorization.

166836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13910 (or 13908 counting only the distinct ones).

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

The square root of 166836 is about 408.4556279451. The cubic root of 166836 is about 55.0507520515.

The spelling of 166836 in words is "one hundred sixty-six thousand, eight hundred thirty-six".