168266 has 24 divisors (see below), whose sum is σ = 313956. Its totient is φ = 67200.

The previous prime is 168263. The next prime is 168269. The reversal of 168266 is 662861.

It is an interprime number because it is at equal distance from previous prime (168263) and next prime (168269).

It can be written as a sum of positive squares in 2 ways, for example, as 137641 + 30625 = 371^2 + 175^2 .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1616 + ... + 1716.

2¹⁶⁸²⁶⁶ is an apocalyptic number.

168266 is a deficient number, since it is larger than the sum of its proper divisors (145690).

168266 is a wasteful number, since it uses less digits than its factorization.

168266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 127 counting only the distinct ones).

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

The square root of 168266 is about 410.2023890715. The cubic root of 168266 is about 55.2075901486.

It can be divided in two parts, 168 and 266, that added together give a palindrome (434).

The spelling of 168266 in words is "one hundred sixty-eight thousand, two hundred sixty-six".