9916770216 has 64 divisors (see below), whose sum is σ = 25452947520. Its totient is φ = 3218408960.

The previous prime is 9916770179. The next prime is 9916770251. The reversal of 9916770216 is 6120776199.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136876 + ... + 196388.

It is an arithmetic number, because the mean of its divisors is an integer number (397702305).

Almost surely, 2^9916770216 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 9916770216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12726473760).

9916770216 is an abundant number, since it is smaller than the sum of its proper divisors (15536177304).

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

9916770216 is a wasteful number, since it uses less digits than its factorization.

9916770216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59706 (or 59702 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 48.

The square root of 9916770216 is about 99582.9815580956. The cubic root of 9916770216 is about 2148.4409260284.

The spelling of 9916770216 in words is "nine billion, nine hundred sixteen million, seven hundred seventy thousand, two hundred sixteen".