9663883668 has 36 divisors (see below), whose sum is σ = 24450278580. Its totient is φ = 3218376576.

The previous prime is 9663883657. The next prime is 9663883687. The reversal of 9663883668 is 8663883669.

It can be written as a sum of positive squares in 2 ways, for example, as 118984464 + 9544899204 = 10908^2 + 97698^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81105 + ... + 160952.

It is an arithmetic number, because the mean of its divisors is an integer number (679174405).

Almost surely, 2^9663883668 is an apocalyptic number.

It is an amenable number.

9663883668 is an abundant number, since it is smaller than the sum of its proper divisors (14786394912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9663883668 is a wasteful number, since it uses less digits than its factorization.

9663883668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243176 (or 243171 counting only the distinct ones).

The product of its digits is 53747712, while the sum is 63.

The square root of 9663883668 is about 98305.0541325318. The cubic root of 9663883668 is about 2130.0210617503.

Subtracting from 9663883668 its reverse (8663883669), we obtain a palindrome (999999999).

The spelling of 9663883668 in words is "nine billion, six hundred sixty-three million, eight hundred eighty-three thousand, six hundred sixty-eight".