6681268 has 12 divisors (see below), whose sum is σ = 12755232. Its totient is φ = 3036920.

The previous prime is 6681239. The next prime is 6681287. The reversal of 6681268 is 8621866.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75880 + ... + 75967.

It is an arithmetic number, because the mean of its divisors is an integer number (1062936).

Almost surely, 2^6681268 is an apocalyptic number.

It is an amenable number.

6681268 is a deficient number, since it is larger than the sum of its proper divisors (6073964).

6681268 is a wasteful number, since it uses less digits than its factorization.

6681268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151862 (or 151860 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 6681268 is about 2584.8148869890. The cubic root of 6681268 is about 188.3445093915.

It can be divided in two parts, 668 and 1268, that added together give a square (1936 = 44²).

The spelling of 6681268 in words is "six million, six hundred eighty-one thousand, two hundred sixty-eight".