9868613916 has 144 divisors (see below), whose sum is σ = 27605628960. Its totient is φ = 2734663680.

The previous prime is 9868613869. The next prime is 9868613921. The reversal of 9868613916 is 6193168689.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2616480 + ... + 2620248.

Almost surely, 2^9868613916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9868613916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13802814480).

9868613916 is an abundant number, since it is smaller than the sum of its proper divisors (17737015044).

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

9868613916 is a wasteful number, since it uses less digits than its factorization.

9868613916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3924 (or 3915 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 57.

The square root of 9868613916 is about 99340.8974994690. The cubic root of 9868613916 is about 2144.9576383851.

The spelling of 9868613916 in words is "nine billion, eight hundred sixty-eight million, six hundred thirteen thousand, nine hundred sixteen".