9916086720 has 56 divisors (see below), whose sum is σ = 31483578384. Its totient is φ = 2644289536.

The previous prime is 9916086709. The next prime is 9916086727. The reversal of 9916086720 is 276806199.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 9916086720.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9916086727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5163669 + ... + 5165588.

Almost surely, 2^9916086720 is an apocalyptic number.

It is an amenable number.

9916086720 is an abundant number, since it is smaller than the sum of its proper divisors (21567491664).

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

9916086720 is a wasteful number, since it uses less digits than its factorization.

9916086720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10329277 (or 10329267 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 9916086720 is about 99579.5497077588. The cubic root of 9916086720 is about 2148.3915657198.

The spelling of 9916086720 in words is "nine billion, nine hundred sixteen million, eighty-six thousand, seven hundred twenty".