166244 has 24 divisors (see below), whose sum is σ = 329280. Its totient is φ = 72864.

The previous prime is 166237. The next prime is 166247. The reversal of 166244 is 442661.

166244 = T₃₂ + T₃₃ + ... + T₁₀₀.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 166244.

It is not an unprimeable number, because it can be changed into a prime (166247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1127 + ... + 1265.

It is an arithmetic number, because the mean of its divisors is an integer number (13720).

2¹⁶⁶²⁴⁴ is an apocalyptic number.

It is an amenable number.

166244 is a deficient number, since it is larger than the sum of its proper divisors (163036).

166244 is a wasteful number, since it uses less digits than its factorization.

166244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 177 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 166244 is about 407.7303030190. The cubic root of 166244 is about 54.9855609480.

It can be divided in two parts, 166 and 244, that multiplied together give a palindrome (40504).

The spelling of 166244 in words is "one hundred sixty-six thousand, two hundred forty-four".