11668646 has 8 divisors (see below), whose sum is σ = 19094184. Its totient is φ = 5303920.

The previous prime is 11668619. The next prime is 11668661. The reversal of 11668646 is 64686611.

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, 265175 + ... + 265218.

It is an arithmetic number, because the mean of its divisors is an integer number (2386773).

Almost surely, 2^11668646 is an apocalyptic number.

11668646 is a deficient number, since it is larger than the sum of its proper divisors (7425538).

11668646 is a wasteful number, since it uses less digits than its factorization.

11668646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530406.

The product of its digits is 41472, while the sum is 38.

The square root of 11668646 is about 3415.9399877633. The cubic root of 11668646 is about 226.8158960601.

The spelling of 11668646 in words is "eleven million, six hundred sixty-eight thousand, six hundred forty-six".