166264 has 16 divisors (see below), whose sum is σ = 356400. Its totient is φ = 71232.

The previous prime is 166259. The next prime is 166273. The reversal of 166264 is 462661.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

166264 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1429 + ... + 1540.

It is an arithmetic number, because the mean of its divisors is an integer number (22275).

2¹⁶⁶²⁶⁴ is an apocalyptic number.

166264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

166264 is an abundant number, since it is smaller than the sum of its proper divisors (190136).

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

166264 is a wasteful number, since it uses less digits than its factorization.

166264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2982 (or 2978 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 166264 is about 407.7548282976. The cubic root of 166264 is about 54.9877658739.

The spelling of 166264 in words is "one hundred sixty-six thousand, two hundred sixty-four".