9161806080 has 288 divisors, whose sum is σ = 35202585600. Its totient is φ = 1983799296.

The previous prime is 9161806007. The next prime is 9161806109. The reversal of 9161806080 is 806081619.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 501751 + ... + 519689.

It is an arithmetic number, because the mean of its divisors is an integer number (122231200).

Almost surely, 2^9161806080 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 9161806080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17601292800).

9161806080 is an abundant number, since it is smaller than the sum of its proper divisors (26040779520).

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

9161806080 is a wasteful number, since it uses less digits than its factorization.

9161806080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17989 (or 17975 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 9161806080 is about 95717.3238238512. The cubic root of 9161806080 is about 2092.4754198340.

Adding to 9161806080 its reverse (806081619), we get a palindrome (9967887699).

The spelling of 9161806080 in words is "nine billion, one hundred sixty-one million, eight hundred six thousand, eighty".