9940887616 has 105 divisors (see below), whose sum is σ = 21911673855. Its totient is φ = 4474715520.

The previous prime is 9940887613. The next prime is 9940887629. The reversal of 9940887616 is 6167880499.

The square root of 9940887616 is 99704.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9940887613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 96513421 + ... + 96513523.

Almost surely, 2^9940887616 is an apocalyptic number.

9940887616 is the 99704-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9940887616

9940887616 is an abundant number, since it is smaller than the sum of its proper divisors (11970786239).

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

9940887616 is an frugal number, since it uses more digits than its factorization.

9940887616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 58.

The cubic root of 9940887616 is about 2150.1811721135.

The spelling of 9940887616 in words is "nine billion, nine hundred forty million, eight hundred eighty-seven thousand, six hundred sixteen".