9866469198 has 16 divisors (see below), whose sum is σ = 19733953536. Its totient is φ = 3288653880.

The previous prime is 9866469187. The next prime is 9866469253. The reversal of 9866469198 is 8919646689.

It is a happy number.

9866469198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 154465 + ... + 208787.

It is an arithmetic number, because the mean of its divisors is an integer number (1233372096).

Almost surely, 2^9866469198 is an apocalyptic number.

9866469198 is an abundant number, since it is smaller than the sum of its proper divisors (9867484338).

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

9866469198 is a wasteful number, since it uses less digits than its factorization.

9866469198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84599.

The product of its digits is 40310784, while the sum is 66.

The square root of 9866469198 is about 99330.1021745171. The cubic root of 9866469198 is about 2144.8022412647.

The spelling of 9866469198 in words is "nine billion, eight hundred sixty-six million, four hundred sixty-nine thousand, one hundred ninety-eight".