9996757816 has 32 divisors (see below), whose sum is σ = 19114554960. Its totient is φ = 4899711232.

The previous prime is 9996757759. The next prime is 9996757817. The reversal of 9996757816 is 6187576999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9996757817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 495951 + ... + 515713.

Almost surely, 2^9996757816 is an apocalyptic number.

It is an amenable number.

9996757816 is a deficient number, since it is larger than the sum of its proper divisors (9117797144).

9996757816 is a wasteful number, since it uses less digits than its factorization.

9996757816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21015 (or 21011 counting only the distinct ones).

The product of its digits is 51438240, while the sum is 67.

The square root of 9996757816 is about 99983.7877658173. The cubic root of 9996757816 is about 2154.2018290748.

The spelling of 9996757816 in words is "nine billion, nine hundred ninety-six million, seven hundred fifty-seven thousand, eight hundred sixteen".