166733 has 4 divisors (see below), whose sum is σ = 190560. Its totient is φ = 142908.

The previous prime is 166723. The next prime is 166739. The reversal of 166733 is 337661.

166733 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 166733 - 2⁶ = 166669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11903 + ... + 11916.

It is an arithmetic number, because the mean of its divisors is an integer number (47640).

2¹⁶⁶⁷³³ is an apocalyptic number.

It is an amenable number.

166733 is a deficient number, since it is larger than the sum of its proper divisors (23827).

166733 is an equidigital number, since it uses as much as digits as its factorization.

166733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23826.

The product of its digits is 2268, while the sum is 26.

The square root of 166733 is about 408.3295237918. The cubic root of 166733 is about 55.0394207746.

The spelling of 166733 in words is "one hundred sixty-six thousand, seven hundred thirty-three".