2666366 has 8 divisors (see below), whose sum is σ = 4006584. Its totient is φ = 1330840.

The previous prime is 2666309. The next prime is 2666381. The reversal of 2666366 is 6636662.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1256 + ... + 2628.

It is an arithmetic number, because the mean of its divisors is an integer number (500823).

2^2666366 is an apocalyptic number.

2666366 is a deficient number, since it is larger than the sum of its proper divisors (1340218).

2666366 is a wasteful number, since it uses less digits than its factorization.

2666366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2346.

The product of its digits is 46656, while the sum is 35.

The square root of 2666366 is about 1632.9010992709. The cubic root of 2666366 is about 138.6670429087.

The spelling of 2666366 in words is "two million, six hundred sixty-six thousand, three hundred sixty-six".