365166 has 12 divisors (see below), whose sum is σ = 791232. Its totient is φ = 121716.

The previous prime is 365159. The next prime is 365173. The reversal of 365166 is 661563.

365166 is a `hidden beast` number, since 3 + 651 + 6 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (365159) and next prime (365173).

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10126 + ... + 10161.

It is an arithmetic number, because the mean of its divisors is an integer number (65936).

2³⁶⁵¹⁶⁶ is an apocalyptic number.

365166 is an abundant number, since it is smaller than the sum of its proper divisors (426066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

365166 is a wasteful number, since it uses less digits than its factorization.

365166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20295 (or 20292 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 365166 is about 604.2896656406. The cubic root of 365166 is about 71.4765274150.

The spelling of 365166 in words is "three hundred sixty-five thousand, one hundred sixty-six".