6681100 has 36 divisors (see below), whose sum is σ = 14717808. Its totient is φ = 2632000.

The previous prime is 6681071. The next prime is 6681133. The reversal of 6681100 is 11866.

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 11 ways as a sum of consecutive naturals, for example, 6630 + ... + 7570.

It is an arithmetic number, because the mean of its divisors is an integer number (408828).

Almost surely, 2^6681100 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 6681100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7358904).

6681100 is an abundant number, since it is smaller than the sum of its proper divisors (8036708).

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

6681100 is a wasteful number, since it uses less digits than its factorization.

6681100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026 (or 1019 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 6681100 is about 2584.7823892931. The cubic root of 6681100 is about 188.3429307419.

Adding to 6681100 its reverse (11866), we get a palindrome (6692966).

The spelling of 6681100 in words is "six million, six hundred eighty-one thousand, one hundred".