9866099960 has 16 divisors (see below), whose sum is σ = 22198725000. Its totient is φ = 3946439968.

The previous prime is 9866099951. The next prime is 9866100007. The reversal of 9866099960 is 699906689.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 9866099893 and 9866099902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123326210 + ... + 123326289.

Almost surely, 2^9866099960 is an apocalyptic number.

It is an amenable number.

9866099960 is an abundant number, since it is smaller than the sum of its proper divisors (12332625040).

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

9866099960 is a wasteful number, since it uses less digits than its factorization.

9866099960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246652510 (or 246652506 counting only the distinct ones).

The product of its (nonzero) digits is 11337408, while the sum is 62.

The square root of 9866099960 is about 99328.2435161319. The cubic root of 9866099960 is about 2144.7754855816.

The spelling of 9866099960 in words is "nine billion, eight hundred sixty-six million, ninety-nine thousand, nine hundred sixty".