6668031 has 24 divisors (see below), whose sum is σ = 9656064. Its totient is φ = 4090320.

The previous prime is 6668027. The next prime is 6668033. The reversal of 6668031 is 1308666.

It is not a de Polignac number, because 6668031 - 2² = 6668027 is a prime.

It is a super-2 number, since 2×6668031² = 88925274833922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6668031.

It is a congruent 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 23 ways as a sum of consecutive naturals, for example, 50836 + ... + 50966.

It is an arithmetic number, because the mean of its divisors is an integer number (402336).

Almost surely, 2^6668031 is an apocalyptic number.

6668031 is a deficient number, since it is larger than the sum of its proper divisors (2988033).

6668031 is a wasteful number, since it uses less digits than its factorization.

6668031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 6668031 is about 2582.2530859697. The cubic root of 6668031 is about 188.2200437687.

The spelling of 6668031 in words is "six million, six hundred sixty-eight thousand, thirty-one".