9916771576 has 8 divisors (see below), whose sum is σ = 18593946720. Its totient is φ = 4958385784.

The previous prime is 9916771493. The next prime is 9916771591. The reversal of 9916771576 is 6751776199.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 9916771576.

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 as a sum of consecutive naturals, namely, 619798216 + ... + 619798231.

It is an arithmetic number, because the mean of its divisors is an integer number (2324243340).

Almost surely, 2^9916771576 is an apocalyptic number.

It is an amenable number.

9916771576 is a deficient number, since it is larger than the sum of its proper divisors (8677175144).

9916771576 is a wasteful number, since it uses less digits than its factorization.

9916771576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239596453 (or 1239596449 counting only the distinct ones).

The product of its digits is 5000940, while the sum is 58.

The square root of 9916771576 is about 99582.9883865713. The cubic root of 9916771576 is about 2148.4410242419.

The spelling of 9916771576 in words is "nine billion, nine hundred sixteen million, seven hundred seventy-one thousand, five hundred seventy-six".