205168 has 10 divisors (see below), whose sum is σ = 397544. Its totient is φ = 102576.

The previous prime is 205157. The next prime is 205171. The reversal of 205168 is 861502.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6396 + ... + 6427.

2²⁰⁵¹⁶⁸ is an apocalyptic number.

It is an amenable number.

205168 is a deficient number, since it is larger than the sum of its proper divisors (192376).

205168 is a wasteful number, since it uses less digits than its factorization.

205168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12831 (or 12825 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 205168 is about 452.9547438763. The cubic root of 205168 is about 58.9797881548.

It can be divided in two parts, 205 and 168, that added together give a palindrome (373).

The spelling of 205168 in words is "two hundred five thousand, one hundred sixty-eight".