166286 has 16 divisors (see below), whose sum is σ = 267840. Its totient is φ = 77280.

The previous prime is 166273. The next prime is 166289. The reversal of 166286 is 682661.

166286 = T₁₃ + T₁₄ + ... + T₉₉.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 166286.

It is not an unprimeable number, because it can be changed into a prime (166289) 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, 2696 + ... + 2756.

It is an arithmetic number, because the mean of its divisors is an integer number (16740).

2¹⁶⁶²⁸⁶ is an apocalyptic number.

166286 is a deficient number, since it is larger than the sum of its proper divisors (101554).

166286 is a wasteful number, since it uses less digits than its factorization.

166286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139.

The product of its digits is 3456, while the sum is 29.

The square root of 166286 is about 407.7818044003. The cubic root of 166286 is about 54.9901910882.

It can be divided in two parts, 16 and 6286, that multiplied together give a triangular number (100576 = T₄₄₈).

The spelling of 166286 in words is "one hundred sixty-six thousand, two hundred eighty-six".