9665337212 has 48 divisors (see below), whose sum is σ = 17802160992. Its totient is φ = 4586373120.

The previous prime is 9665337191. The next prime is 9665337223. The reversal of 9665337212 is 2127335669.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1809698 + ... + 1815030.

It is an arithmetic number, because the mean of its divisors is an integer number (370878354).

Almost surely, 2^9665337212 is an apocalyptic number.

It is an amenable number.

9665337212 is a deficient number, since it is larger than the sum of its proper divisors (8136823780).

9665337212 is a wasteful number, since it uses less digits than its factorization.

9665337212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5678 (or 5676 counting only the distinct ones).

The product of its digits is 408240, while the sum is 44.

The square root of 9665337212 is about 98312.4468823760. The cubic root of 9665337212 is about 2130.1278484980.

The spelling of 9665337212 in words is "nine billion, six hundred sixty-five million, three hundred thirty-seven thousand, two hundred twelve".