208168 has 8 divisors (see below), whose sum is σ = 390330. Its totient is φ = 104080.

The previous prime is 208147. The next prime is 208189. The reversal of 208168 is 861802.

208168 is nontrivially palindromic in base 6.

It is an interprime number because it is at equal distance from previous prime (208147) and next prime (208189).

It can be written as a sum of positive squares in only one way, i.e., 116964 + 91204 = 342^2 + 302^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

208168 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 as a sum of consecutive naturals, namely, 13003 + ... + 13018.

2²⁰⁸¹⁶⁸ is an apocalyptic number.

It is an amenable number.

208168 is a deficient number, since it is larger than the sum of its proper divisors (182162).

208168 is a wasteful number, since it uses less digits than its factorization.

208168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26027 (or 26023 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 208168 is about 456.2543150481. The cubic root of 208168 is about 59.2658689772.

The spelling of 208168 in words is "two hundred eight thousand, one hundred sixty-eight".