166266 has 16 divisors (see below), whose sum is σ = 369600. Its totient is φ = 55404.

The previous prime is 166259. The next prime is 166273. The reversal of 166266 is 662661.

166266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (166259) and next prime (166273).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 166266.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1486 + ... + 1593.

It is an arithmetic number, because the mean of its divisors is an integer number (23100).

2¹⁶⁶²⁶⁶ is an apocalyptic number.

166266 is an abundant number, since it is smaller than the sum of its proper divisors (203334).

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

166266 is a wasteful number, since it uses less digits than its factorization.

166266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3090 (or 3084 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 166266 is about 407.7572807443. The cubic root of 166266 is about 54.9879863568.

It can be divided in two parts, 1662 and 66, that added together give a cube (1728 = 12³).

The spelling of 166266 in words is "one hundred sixty-six thousand, two hundred sixty-six".