9916448650 has 24 divisors (see below), whose sum is σ = 19415364480. Its totient is φ = 3757811760.

The previous prime is 9916448617. The next prime is 9916448651. The reversal of 9916448650 is 568446199.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (9916448651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5218234 + ... + 5220133.

It is an arithmetic number, because the mean of its divisors is an integer number (808973520).

Almost surely, 2^9916448650 is an apocalyptic number.

9916448650 is a deficient number, since it is larger than the sum of its proper divisors (9498915830).

9916448650 is a wasteful number, since it uses less digits than its factorization.

9916448650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10438398 (or 10438393 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 52.

The square root of 9916448650 is about 99581.3669819811. The cubic root of 9916448650 is about 2148.4177036483.

The spelling of 9916448650 in words is "nine billion, nine hundred sixteen million, four hundred forty-eight thousand, six hundred fifty".