9756120636161 has 4 divisors (see below), whose sum is σ = 9756184921392. Its totient is φ = 9756056350932.

The previous prime is 9756120636151. The next prime is 9756120636187. The reversal of 9756120636161 is 1616360216579.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9756120636161 - 2²² = 9756116441857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9756120636121) 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, 31914431 + ... + 32218676.

It is an arithmetic number, because the mean of its divisors is an integer number (2439046230348).

Almost surely, 2^{9756120636161} is an apocalyptic number.

It is an amenable number.

9756120636161 is a deficient number, since it is larger than the sum of its proper divisors (64285231).

9756120636161 is a wasteful number, since it uses less digits than its factorization.

9756120636161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64285230.

The product of its (nonzero) digits is 2449440, while the sum is 53.

The spelling of 9756120636161 in words is "nine trillion, seven hundred fifty-six billion, one hundred twenty million, six hundred thirty-six thousand, one hundred sixty-one".