10866609672 has 32 divisors (see below), whose sum is σ = 27361975200. Its totient is φ = 3596143104.

The previous prime is 10866609653. The next prime is 10866609709. The reversal of 10866609672 is 27690666801.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1625353 + ... + 1632024.

It is an arithmetic number, because the mean of its divisors is an integer number (855061725).

Almost surely, 2^10866609672 is an apocalyptic number.

10866609672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10866609672 is an abundant number, since it is smaller than the sum of its proper divisors (16495365528).

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

10866609672 is a wasteful number, since it uses less digits than its factorization.

10866609672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3257525 (or 3257521 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 51.

The spelling of 10866609672 in words is "ten billion, eight hundred sixty-six million, six hundred nine thousand, six hundred seventy-two".