6681087 has 24 divisors (see below), whose sum is σ = 11110944. Its totient is φ = 3789504.

The previous prime is 6681071. The next prime is 6681133. The reversal of 6681087 is 7801866.

It is not a de Polignac number, because 6681087 - 2⁴ = 6681071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6681067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10593 + ... + 11205.

It is an arithmetic number, because the mean of its divisors is an integer number (462956).

Almost surely, 2^6681087 is an apocalyptic number.

6681087 is a deficient number, since it is larger than the sum of its proper divisors (4429857).

6681087 is a wasteful number, since it uses less digits than its factorization.

6681087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799 (or 796 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 6681087 is about 2584.7798745735. The cubic root of 6681087 is about 188.3428085834.

The spelling of 6681087 in words is "six million, six hundred eighty-one thousand, eighty-seven".