66208 has 12 divisors (see below), whose sum is σ = 130410. Its totient is φ = 33088.

The previous prime is 66191. The next prime is 66221. The reversal of 66208 is 80266.

It can be written as a sum of positive squares in only one way, i.e., 63504 + 2704 = 252^2 + 52^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1003 + ... + 1066.

2⁶⁶²⁰⁸ is an apocalyptic number.

It is an amenable number.

66208 is a deficient number, since it is larger than the sum of its proper divisors (64202).

66208 is a wasteful number, since it uses less digits than its factorization.

66208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2079 (or 2071 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 66208 is about 257.3091525772. The cubic root of 66208 is about 40.4548091171.

The spelling of 66208 in words is "sixty-six thousand, two hundred eight".