9109609816 has 48 divisors (see below), whose sum is σ = 17955952560. Its totient is φ = 4324415040.

The previous prime is 9109609801. The next prime is 9109609819. The reversal of 9109609816 is 6189069019.

It is a self number, because there is not a number n which added to its sum of digits gives 9109609816.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9109609819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17417731 + ... + 17418253.

It is an arithmetic number, because the mean of its divisors is an integer number (374082345).

Almost surely, 2^9109609816 is an apocalyptic number.

It is an amenable number.

9109609816 is a deficient number, since it is larger than the sum of its proper divisors (8846342744).

9109609816 is a wasteful number, since it uses less digits than its factorization.

9109609816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256 (or 729 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 49.

The square root of 9109609816 is about 95444.2759729466. The cubic root of 9109609816 is about 2088.4941279768.

The spelling of 9109609816 in words is "nine billion, one hundred nine million, six hundred nine thousand, eight hundred sixteen".