9661962668 has 12 divisors (see below), whose sum is σ = 16940768040. Its totient is φ = 4821743232.

The previous prime is 9661962643. The next prime is 9661962703. The reversal of 9661962668 is 8662691669.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2307173 + ... + 2311356.

It is an arithmetic number, because the mean of its divisors is an integer number (1411730670).

Almost surely, 2^9661962668 is an apocalyptic number.

It is an amenable number.

9661962668 is a deficient number, since it is larger than the sum of its proper divisors (7278805372).

9661962668 is a wasteful number, since it uses less digits than its factorization.

9661962668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4619056 (or 4619054 counting only the distinct ones).

The product of its digits is 10077696, while the sum is 59.

The square root of 9661962668 is about 98295.2830404389. The cubic root of 9661962668 is about 2129.8799162319.

The spelling of 9661962668 in words is "nine billion, six hundred sixty-one million, nine hundred sixty-two thousand, six hundred sixty-eight".