9996330766663 has 4 divisors (see below), whose sum is σ = 10004014342728. Its totient is φ = 9988647190600.

The previous prime is 9996330766621. The next prime is 9996330766729. The reversal of 9996330766663 is 3666670336999.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9996330766663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9996330766063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3841786081 + ... + 3841788682.

It is an arithmetic number, because the mean of its divisors is an integer number (2501003585682).

Almost surely, 2^{9996330766663} is an apocalyptic number.

9996330766663 is a deficient number, since it is larger than the sum of its proper divisors (7683576065).

9996330766663 is a wasteful number, since it uses less digits than its factorization.

9996330766663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7683576064.

The product of its (nonzero) digits is 1071385056, while the sum is 73.

The spelling of 9996330766663 in words is "nine trillion, nine hundred ninety-six billion, three hundred thirty million, seven hundred sixty-six thousand, six hundred sixty-three".