6668003 has 4 divisors (see below), whose sum is σ = 6781080. Its totient is φ = 6554928.

The previous prime is 6667981. The next prime is 6668021. The reversal of 6668003 is 3008666.

6668003 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6668003 - 2¹² = 6663907 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6668033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56450 + ... + 56567.

It is an arithmetic number, because the mean of its divisors is an integer number (1695270).

Almost surely, 2^6668003 is an apocalyptic number.

6668003 is a deficient number, since it is larger than the sum of its proper divisors (113077).

6668003 is a wasteful number, since it uses less digits than its factorization.

6668003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113076.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 6668003 is about 2582.2476643421. The cubic root of 6668003 is about 188.2197803142.

The spelling of 6668003 in words is "six million, six hundred sixty-eight thousand, three".