166683 has 8 divisors (see below), whose sum is σ = 242496. Its totient is φ = 101000.

The previous prime is 166679. The next prime is 166693. The reversal of 166683 is 386661.

166683 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.

It is a cyclic number.

It is not a de Polignac number, because 166683 - 2² = 166679 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 166683.

It is not an unprimeable number, because it can be changed into a prime (166603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2493 + ... + 2558.

It is an arithmetic number, because the mean of its divisors is an integer number (30312).

2¹⁶⁶⁶⁸³ is an apocalyptic number.

166683 is a deficient number, since it is larger than the sum of its proper divisors (75813).

166683 is a wasteful number, since it uses less digits than its factorization.

166683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5065.

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

The square root of 166683 is about 408.2682941400. The cubic root of 166683 is about 55.0339184721.

The spelling of 166683 in words is "one hundred sixty-six thousand, six hundred eighty-three".