6681089 has 8 divisors (see below), whose sum is σ = 6955008. Its totient is φ = 6410880.

The previous prime is 6681071. The next prime is 6681133. The reversal of 6681089 is 9801866.

6681089 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6681089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6681019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3089 + ... + 4785.

It is an arithmetic number, because the mean of its divisors is an integer number (869376).

Almost surely, 2^6681089 is an apocalyptic number.

It is an amenable number.

6681089 is a deficient number, since it is larger than the sum of its proper divisors (273919).

6681089 is a wasteful number, since it uses less digits than its factorization.

6681089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 6681089 is about 2584.7802614536. The cubic root of 6681089 is about 188.3428273770.

The spelling of 6681089 in words is "six million, six hundred eighty-one thousand, eighty-nine".