166943 has 6 divisors (see below), whose sum is σ = 194256. Its totient is φ = 143052.

The previous prime is 166931. The next prime is 166949. The reversal of 166943 is 349661.

166943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 166943 - 2¹² = 162847 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 (166949) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1655 + ... + 1752.

It is an arithmetic number, because the mean of its divisors is an integer number (32376).

2¹⁶⁶⁹⁴³ is an apocalyptic number.

166943 is a deficient number, since it is larger than the sum of its proper divisors (27313).

166943 is an equidigital number, since it uses as much as digits as its factorization.

166943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3421 (or 3414 counting only the distinct ones).

The product of its digits is 3888, while the sum is 29.

The square root of 166943 is about 408.5865881303. The cubic root of 166943 is about 55.0625184401.

The spelling of 166943 in words is "one hundred sixty-six thousand, nine hundred forty-three".