166267 has 4 divisors (see below), whose sum is σ = 173520. Its totient is φ = 159016.

The previous prime is 166259. The next prime is 166273. The reversal of 166267 is 762661.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 762661 = 67 ⋅11383.

It is a cyclic number.

It is not a de Polignac number, because 166267 - 2³ = 166259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3592 + ... + 3637.

It is an arithmetic number, because the mean of its divisors is an integer number (43380).

2¹⁶⁶²⁶⁷ is an apocalyptic number.

166267 is a deficient number, since it is larger than the sum of its proper divisors (7253).

166267 is an equidigital number, since it uses as much as digits as its factorization.

166267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7252.

The product of its digits is 3024, while the sum is 28.

The square root of 166267 is about 407.7585069621. The cubic root of 166267 is about 54.9880965975.

The spelling of 166267 in words is "one hundred sixty-six thousand, two hundred sixty-seven".