6668193 has 16 divisors (see below), whose sum is σ = 10489856. Its totient is φ = 3687120.

The previous prime is 6668171. The next prime is 6668203. The reversal of 6668193 is 3918666.

It is a happy number.

It is not a de Polignac number, because 6668193 - 2⁵ = 6668161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6668113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4471 + ... + 5772.

It is an arithmetic number, because the mean of its divisors is an integer number (655616).

Almost surely, 2^6668193 is an apocalyptic number.

It is an amenable number.

6668193 is a deficient number, since it is larger than the sum of its proper divisors (3821663).

6668193 is a wasteful number, since it uses less digits than its factorization.

6668193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10284.

The product of its digits is 46656, while the sum is 39.

The square root of 6668193 is about 2582.2844537347. The cubic root of 6668193 is about 188.2215680268.

The spelling of 6668193 in words is "six million, six hundred sixty-eight thousand, one hundred ninety-three".