9666957968 has 20 divisors (see below), whose sum is σ = 19165307568. Its totient is φ = 4721072160.

The previous prime is 9666957967. The next prime is 9666957973. The reversal of 9666957968 is 8697596669.

It is not an unprimeable number, because it can be changed into a prime (9666957961) 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, 7024718 + ... + 7026093.

Almost surely, 2^9666957968 is an apocalyptic number.

It is an amenable number.

9666957968 is a deficient number, since it is larger than the sum of its proper divisors (9498349600).

9666957968 is a wasteful number, since it uses less digits than its factorization.

9666957968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14050862 (or 14050856 counting only the distinct ones).

The product of its digits is 264539520, while the sum is 71.

The square root of 9666957968 is about 98320.6894198774. The cubic root of 9666957968 is about 2130.2469070974.

The spelling of 9666957968 in words is "nine billion, six hundred sixty-six million, nine hundred fifty-seven thousand, nine hundred sixty-eight".