9115666080 has 96 divisors (see below), whose sum is σ = 28770251328. Its totient is φ = 2426112000.

The previous prime is 9115666037. The next prime is 9115666093. The reversal of 9115666080 is 806665119.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231855 + ... + 268305.

It is an arithmetic number, because the mean of its divisors is an integer number (299690118).

Almost surely, 2^9115666080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9115666080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14385125664).

9115666080 is an abundant number, since it is smaller than the sum of its proper divisors (19654585248).

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

9115666080 is a wasteful number, since it uses less digits than its factorization.

9115666080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36990 (or 36982 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 9115666080 is about 95475.9974024885. The cubic root of 9115666080 is about 2088.9568506802.

The spelling of 9115666080 in words is "nine billion, one hundred fifteen million, six hundred sixty-six thousand, eighty".