2666682 has 56 divisors (see below), whose sum is σ = 6295680. Its totient is φ = 845640.

The previous prime is 2666663. The next prime is 2666683. The reversal of 2666682 is 2866662.

It is a super-2 number, since 2×2666682² = 14222385778248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2666683) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 45169 + ... + 45227.

2^2666682 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2666682, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3147840).

2666682 is an abundant number, since it is smaller than the sum of its proper divisors (3628998).

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

2666682 is an equidigital number, since it uses as much as digits as its factorization.

2666682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 95 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 2666682 is about 1632.9978567040. The cubic root of 2666682 is about 138.6725206581.

The spelling of 2666682 in words is "two million, six hundred sixty-six thousand, six hundred eighty-two".