6681066 has 16 divisors (see below), whose sum is σ = 15271104. Its totient is φ = 1908864.

The previous prime is 6681041. The next prime is 6681067. The reversal of 6681066 is 6601866.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6681067) 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, 79495 + ... + 79578.

It is an arithmetic number, because the mean of its divisors is an integer number (954444).

Almost surely, 2^6681066 is an apocalyptic number.

6681066 is an abundant number, since it is smaller than the sum of its proper divisors (8590038).

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

6681066 is a wasteful number, since it uses less digits than its factorization.

6681066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159085.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 6681066 is about 2584.7758123288. The cubic root of 6681066 is about 188.3426112501.

The spelling of 6681066 in words is "six million, six hundred eighty-one thousand, sixty-six".