9656871044200 has 48 divisors (see below), whose sum is σ = 22452530228460. Its totient is φ = 3862695936000.

The previous prime is 9656871044167. The next prime is 9656871044203. The reversal of 9656871044200 is 24401786569.

It can be written as a sum of positive squares in 6 ways, for example, as 3729525715204 + 5927345328996 = 1931198^2 + 2434614^2 .

It is not an unprimeable number, because it can be changed into a prime (9656871044203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16610430 + ... + 17181970.

Almost surely, 2^{9656871044200} is an apocalyptic number.

It is an amenable number.

9656871044200 is an abundant number, since it is smaller than the sum of its proper divisors (12795659184260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9656871044200 is a wasteful number, since it uses less digits than its factorization.

9656871044200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656038 (or 656029 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 9656871044200 in words is "nine trillion, six hundred fifty-six billion, eight hundred seventy-one million, forty-four thousand, two hundred".