9984712166 has 32 divisors (see below), whose sum is σ = 17883917856. Its totient is φ = 4120704000.

The previous prime is 9984712163. The next prime is 9984712193. The reversal of 9984712166 is 6612174899.

9984712166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9984712163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268715 + ... + 303606.

It is an arithmetic number, because the mean of its divisors is an integer number (558872433).

Almost surely, 2^9984712166 is an apocalyptic number.

9984712166 is a deficient number, since it is larger than the sum of its proper divisors (7899205690).

9984712166 is a wasteful number, since it uses less digits than its factorization.

9984712166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572408.

The product of its digits is 1306368, while the sum is 53.

The square root of 9984712166 is about 99923.5315929136. The cubic root of 9984712166 is about 2153.3362420817.

The spelling of 9984712166 in words is "nine billion, nine hundred eighty-four million, seven hundred twelve thousand, one hundred sixty-six".