166773 has 8 divisors (see below), whose sum is σ = 232128. Its totient is φ = 106304.

The previous prime is 166741. The next prime is 166781. The reversal of 166773 is 377661.

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 166773 - 2⁵ = 166741 is a prime.

166773 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 166773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166703) 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, 1140 + ... + 1277.

It is an arithmetic number, because the mean of its divisors is an integer number (29016).

2¹⁶⁶⁷⁷³ is an apocalyptic number.

It is an amenable number.

166773 is a deficient number, since it is larger than the sum of its proper divisors (65355).

166773 is a wasteful number, since it uses less digits than its factorization.

166773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2443.

The product of its digits is 5292, while the sum is 30.

The square root of 166773 is about 408.3785009033. The cubic root of 166773 is about 55.0438218245.

It can be divided in two parts, 166 and 773, that added together give a palindrome (939).

The spelling of 166773 in words is "one hundred sixty-six thousand, seven hundred seventy-three".