250166 has 16 divisors (see below), whose sum is σ = 435456. Its totient is φ = 105576.

The previous prime is 250153. The next prime is 250169. The reversal of 250166 is 661052.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250169) 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, 1415 + ... + 1581.

It is an arithmetic number, because the mean of its divisors is an integer number (27216).

2²⁵⁰¹⁶⁶ is an apocalyptic number.

250166 is a deficient number, since it is larger than the sum of its proper divisors (185290).

250166 is a wasteful number, since it uses less digits than its factorization.

250166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 250166 is about 500.1659724531. The cubic root of 250166 is about 63.0099925361.

The spelling of 250166 in words is "two hundred fifty thousand, one hundred sixty-six".