9665906968 has 8 divisors (see below), whose sum is σ = 18123575580. Its totient is φ = 4832953480.

The previous prime is 9665906963. The next prime is 9665906969. The reversal of 9665906968 is 8696095669.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9665906963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 604119178 + ... + 604119193.

Almost surely, 2^9665906968 is an apocalyptic number.

It is an amenable number.

9665906968 is a deficient number, since it is larger than the sum of its proper divisors (8457668612).

9665906968 is a wasteful number, since it uses less digits than its factorization.

9665906968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208238377 (or 1208238373 counting only the distinct ones).

The product of its (nonzero) digits is 37791360, while the sum is 64.

The square root of 9665906968 is about 98315.3445195611. The cubic root of 9665906968 is about 2130.1697035397.

The spelling of 9665906968 in words is "nine billion, six hundred sixty-five million, nine hundred six thousand, nine hundred sixty-eight".