9946644016 has 20 divisors (see below), whose sum is σ = 19339729192. Its totient is φ = 4955746176.

The previous prime is 9946643999. The next prime is 9946644041. The reversal of 9946644016 is 6104466499.

It is a happy number.

9946644016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1093821 + ... + 1102876.

Almost surely, 2^9946644016 is an apocalyptic number.

It is an amenable number.

9946644016 is a deficient number, since it is larger than the sum of its proper divisors (9393085176).

9946644016 is a wasteful number, since it uses less digits than its factorization.

9946644016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2196988 (or 2196982 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 49.

The square root of 9946644016 is about 99732.8632698370. The cubic root of 9946644016 is about 2150.5961221349.

The spelling of 9946644016 in words is "nine billion, nine hundred forty-six million, six hundred forty-four thousand, sixteen".