6311668 has 24 divisors (see below), whose sum is σ = 12235104. Its totient is φ = 2824800.

The previous prime is 6311659. The next prime is 6311689. The reversal of 6311668 is 8661136.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1878 + ... + 4018.

It is an arithmetic number, because the mean of its divisors is an integer number (509796).

Almost surely, 2^6311668 is an apocalyptic number.

It is an amenable number.

6311668 is a deficient number, since it is larger than the sum of its proper divisors (5923436).

6311668 is a wasteful number, since it uses less digits than its factorization.

6311668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223 (or 2221 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 6311668 is about 2512.3033256357. The cubic root of 6311668 is about 184.8054248390.

The spelling of 6311668 in words is "six million, three hundred eleven thousand, six hundred sixty-eight".