6685916 has 12 divisors (see below), whose sum is σ = 12209232. Its totient is φ = 3197568.

The previous prime is 6685907. The next prime is 6685927. The reversal of 6685916 is 6195866.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36245 + ... + 36428.

It is an arithmetic number, because the mean of its divisors is an integer number (1017436).

Almost surely, 2^6685916 is an apocalyptic number.

It is an amenable number.

6685916 is a deficient number, since it is larger than the sum of its proper divisors (5523316).

6685916 is a wasteful number, since it uses less digits than its factorization.

6685916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72700 (or 72698 counting only the distinct ones).

The product of its digits is 77760, while the sum is 41.

The square root of 6685916 is about 2585.7138279400. The cubic root of 6685916 is about 188.3881748731.

Adding to 6685916 its product of digits (77760), we get a palindrome (6763676).

The spelling of 6685916 in words is "six million, six hundred eighty-five thousand, nine hundred sixteen".