108664 has 24 divisors (see below), whose sum is σ = 221040. Its totient is φ = 50048.

The previous prime is 108649. The next prime is 108677. The reversal of 108664 is 466801.

It is a congruent number.

It is an unprimeable number.

108664 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 5 ways as a sum of consecutive naturals, for example, 2289 + ... + 2335.

It is an arithmetic number, because the mean of its divisors is an integer number (9210).

2¹⁰⁸⁶⁶⁴ is an apocalyptic number.

It is an amenable number.

108664 is an abundant number, since it is smaller than the sum of its proper divisors (112376).

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

108664 is a wasteful number, since it uses less digits than its factorization.

108664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 108664 is about 329.6422303043. The cubic root of 108664 is about 47.7194279967.

The spelling of 108664 in words is "one hundred eight thousand, six hundred sixty-four".