9916216894 has 16 divisors (see below), whose sum is σ = 15279837696. Its totient is φ = 4822999200.

The previous prime is 9916216847. The next prime is 9916216951. The reversal of 9916216894 is 4986126199.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376579 + ... + 402049.

It is an arithmetic number, because the mean of its divisors is an integer number (954989856).

Almost surely, 2^9916216894 is an apocalyptic number.

9916216894 is a deficient number, since it is larger than the sum of its proper divisors (5363620802).

9916216894 is a wasteful number, since it uses less digits than its factorization.

9916216894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30771.

The product of its digits is 1679616, while the sum is 55.

The square root of 9916216894 is about 99580.2033237531. The cubic root of 9916216894 is about 2148.4009667233.

The spelling of 9916216894 in words is "nine billion, nine hundred sixteen million, two hundred sixteen thousand, eight hundred ninety-four".