9916120957 has 12 divisors (see below), whose sum is σ = 10544046240. Its totient is φ = 9298881000.

The previous prime is 9916120937. The next prime is 9916120997. The reversal of 9916120957 is 7590216199.

It is not a de Polignac number, because 9916120957 - 2¹¹ = 9916118909 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9916120957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9916120937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4404082 + ... + 4406332.

It is an arithmetic number, because the mean of its divisors is an integer number (878670520).

Almost surely, 2^9916120957 is an apocalyptic number.

It is an amenable number.

9916120957 is a deficient number, since it is larger than the sum of its proper divisors (627925283).

9916120957 is an equidigital number, since it uses as much as digits as its factorization.

9916120957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4624 (or 2373 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 49.

The square root of 9916120957 is about 99579.7216153972. The cubic root of 9916120957 is about 2148.3940382811.

The spelling of 9916120957 in words is "nine billion, nine hundred sixteen million, one hundred twenty thousand, nine hundred fifty-seven".