82668 has 18 divisors (see below), whose sum is σ = 195244. Its totient is φ = 27224.

The previous prime is 82657. The next prime is 82699. The reversal of 82668 is 86628.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 955 + ... + 1037.

2⁸²⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

82668 is an abundant number, since it is smaller than the sum of its proper divisors (112576).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97622).

82668 is a wasteful number, since it uses less digits than its factorization.

82668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 88 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 82668 is about 287.5204340564. The cubic root of 82668 is about 43.5624680515.

The spelling of 82668 in words is "eighty-two thousand, six hundred sixty-eight".