6681368 has 32 divisors (see below), whose sum is σ = 13392000. Its totient is φ = 3118080.

The previous prime is 6681361. The next prime is 6681377. The reversal of 6681368 is 8631866.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6681361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6728 + ... + 7656.

It is an arithmetic number, because the mean of its divisors is an integer number (418500).

Almost surely, 2^6681368 is an apocalyptic number.

It is an amenable number.

6681368 is an abundant number, since it is smaller than the sum of its proper divisors (6710632).

6681368 is a wasteful number, since it uses less digits than its factorization.

6681368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995 (or 991 counting only the distinct ones).

The product of its digits is 41472, while the sum is 38.

The square root of 6681368 is about 2584.8342306616. The cubic root of 6681368 is about 188.3454490513.

The spelling of 6681368 in words is "six million, six hundred eighty-one thousand, three hundred sixty-eight".