10566666 has 32 divisors (see below), whose sum is σ = 25617600. Its totient is φ = 3201840.

The previous prime is 10566653. The next prime is 10566709. The reversal of 10566666 is 66666501.

It is a super-2 number, since 2×10566666² = 223308860711112, which contains 22 as substring.

10566666 is a modest number, since divided by 6666 gives 1056 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 10566666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8301 + ... + 9488.

It is an arithmetic number, because the mean of its divisors is an integer number (800550).

Almost surely, 2^10566666 is an apocalyptic number.

10566666 is an abundant number, since it is smaller than the sum of its proper divisors (15050934).

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

10566666 is a wasteful number, since it uses less digits than its factorization.

10566666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17811 (or 17805 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 10566666 is about 3250.6408598921. The cubic root of 10566666 is about 219.4384161756.

The spelling of 10566666 in words is "ten million, five hundred sixty-six thousand, six hundred sixty-six".