6682816 has 42 divisors (see below), whose sum is σ = 15433548. Its totient is φ = 2862720.

The previous prime is 6682801. The next prime is 6682843. The reversal of 6682816 is 6182866.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2071 + ... + 4201.

Almost surely, 2^6682816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6682816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7716774).

6682816 is an abundant number, since it is smaller than the sum of its proper divisors (8750732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6682816 is a wasteful number, since it uses less digits than its factorization.

6682816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157 (or 2140 counting only the distinct ones).

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

The square root of 6682816 is about 2585.1143108188. The cubic root of 6682816 is about 188.3590542746.

The spelling of 6682816 in words is "six million, six hundred eighty-two thousand, eight hundred sixteen".