11666606 has 12 divisors (see below), whose sum is σ = 20357208. Its totient is φ = 4999932.

The previous prime is 11666579. The next prime is 11666617. The reversal of 11666606 is 60666611.

It is a super-2 number, since 2×11666606² = 272219391118472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59426 + ... + 59621.

It is an arithmetic number, because the mean of its divisors is an integer number (1696434).

Almost surely, 2^11666606 is an apocalyptic number.

11666606 is a deficient number, since it is larger than the sum of its proper divisors (8690602).

11666606 is a wasteful number, since it uses less digits than its factorization.

11666606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119063 (or 119056 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 11666606 is about 3415.6413746177. The cubic root of 11666606 is about 226.8026774058.

The spelling of 11666606 in words is "eleven million, six hundred sixty-six thousand, six hundred six".