6683816 has 16 divisors (see below), whose sum is σ = 12598740. Its totient is φ = 3324160.

The previous prime is 6683797. The next prime is 6683821. The reversal of 6683816 is 6183866.

It can be written as a sum of positive squares in 2 ways, for example, as 4218916 + 2464900 = 2054^2 + 1570^2 .

It is a super-3 number, since 3×6683816³ (a number of 21 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6683816.

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, 545 + ... + 3696.

Almost surely, 2^6683816 is an apocalyptic number.

It is an amenable number.

6683816 is a deficient number, since it is larger than the sum of its proper divisors (5914924).

6683816 is a wasteful number, since it uses less digits than its factorization.

6683816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4444 (or 4440 counting only the distinct ones).

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

The square root of 6683816 is about 2585.3077186285. The cubic root of 6683816 is about 188.3684489998.

The spelling of 6683816 in words is "six million, six hundred eighty-three thousand, eight hundred sixteen".