668175 has 24 divisors (see below), whose sum is σ = 1130880. Its totient is φ = 348000.

The previous prime is 668159. The next prime is 668179. The reversal of 668175 is 571866.

It is not a de Polignac number, because 668175 - 2⁴ = 668159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (668179) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4350 + ... + 4500.

It is an arithmetic number, because the mean of its divisors is an integer number (47120).

2⁶⁶⁸¹⁷⁵ is an apocalyptic number.

668175 is a deficient number, since it is larger than the sum of its proper divisors (462705).

668175 is a wasteful number, since it uses less digits than its factorization.

668175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 218 counting only the distinct ones).

The product of its digits is 10080, while the sum is 33.

The square root of 668175 is about 817.4197208289. The cubic root of 668175 is about 87.4238793763.

The spelling of 668175 in words is "six hundred sixty-eight thousand, one hundred seventy-five".