6681799 has 12 divisors (see below), whose sum is σ = 7405776. Its totient is φ = 6007232.

The previous prime is 6681791. The next prime is 6681817. The reversal of 6681799 is 9971866.

It is not a de Polignac number, because 6681799 - 2³ = 6681791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6681791) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8622 + ... + 9364.

It is an arithmetic number, because the mean of its divisors is an integer number (617148).

Almost surely, 2^6681799 is an apocalyptic number.

6681799 is a deficient number, since it is larger than the sum of its proper divisors (723977).

6681799 is a wasteful number, since it uses less digits than its factorization.

6681799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806 (or 783 counting only the distinct ones).

The product of its digits is 163296, while the sum is 46.

The square root of 6681799 is about 2584.9176002341. The cubic root of 6681799 is about 188.3494988778.

The spelling of 6681799 in words is "six million, six hundred eighty-one thousand, seven hundred ninety-nine".