240166 has 12 divisors (see below), whose sum is σ = 378252. Its totient is φ = 114356.

The previous prime is 240151. The next prime is 240169. The reversal of 240166 is 661042.

240166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240169) by changing a digit.

240166 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 945 + ... + 1171.

It is an arithmetic number, because the mean of its divisors is an integer number (31521).

2²⁴⁰¹⁶⁶ is an apocalyptic number.

240166 is a deficient number, since it is larger than the sum of its proper divisors (138086).

240166 is a wasteful number, since it uses less digits than its factorization.

240166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 252 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 240166 is about 490.0673423112. The cubic root of 240166 is about 62.1589746113.

It can be divided in two parts, 240 and 166, that added together give a triangular number (406 = T₂₈).

The spelling of 240166 in words is "two hundred forty thousand, one hundred sixty-six".