10809966 has 16 divisors (see below), whose sum is σ = 21819600. Its totient is φ = 3570048.

The previous prime is 10809961. The next prime is 10810001. The reversal of 10809966 is 66990801.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10809961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7611 + ... + 8918.

It is an arithmetic number, because the mean of its divisors is an integer number (1363725).

Almost surely, 2^10809966 is an apocalyptic number.

10809966 is an abundant number, since it is smaller than the sum of its proper divisors (11009634).

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

10809966 is a wasteful number, since it uses less digits than its factorization.

10809966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16643.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 10809966 is about 3287.8512740086. The cubic root of 10809966 is about 221.1098598636.

The spelling of 10809966 in words is "ten million, eight hundred nine thousand, nine hundred sixty-six".