9664334668 has 24 divisors (see below), whose sum is σ = 16950657024. Its totient is φ = 4821306000.

The previous prime is 9664334663. The next prime is 9664334671. The reversal of 9664334668 is 8664334669.

It is not an unprimeable number, because it can be changed into a prime (9664334663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6569173 + ... + 6570643.

It is an arithmetic number, because the mean of its divisors is an integer number (706277376).

Almost surely, 2^9664334668 is an apocalyptic number.

It is an amenable number.

9664334668 is a deficient number, since it is larger than the sum of its proper divisors (7286322356).

9664334668 is a wasteful number, since it uses less digits than its factorization.

9664334668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4053 (or 4051 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 55.

The square root of 9664334668 is about 98307.3479857940. The cubic root of 9664334668 is about 2130.0541962743.

Subtracting from 9664334668 its reverse (8664334669), we obtain a palindrome (999999999).

The spelling of 9664334668 in words is "nine billion, six hundred sixty-four million, three hundred thirty-four thousand, six hundred sixty-eight".