9261920919756 has 96 divisors (see below), whose sum is σ = 22114232001792. Its totient is φ = 3016237593600.

The previous prime is 9261920919751. The next prime is 9261920919827. The reversal of 9261920919756 is 6579190291629.

It is not an unprimeable number, because it can be changed into a prime (9261920919751) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120794031 + ... + 120870681.

It is an arithmetic number, because the mean of its divisors is an integer number (230356583352).

Almost surely, 2^{9261920919756} is an apocalyptic number.

It is an amenable number.

9261920919756 is an abundant number, since it is smaller than the sum of its proper divisors (12852311082036).

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

9261920919756 is a wasteful number, since it uses less digits than its factorization.

9261920919756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77959 (or 77957 counting only the distinct ones).

The product of its (nonzero) digits is 33067440, while the sum is 66.

The spelling of 9261920919756 in words is "nine trillion, two hundred sixty-one billion, nine hundred twenty million, nine hundred nineteen thousand, seven hundred fifty-six".