9131266080 has 240 divisors, whose sum is σ = 32426412480. Its totient is φ = 2419849728.

The previous prime is 9131266073. The next prime is 9131266093. The reversal of 9131266080 is 806621319.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2162211 + ... + 2166429.

It is an arithmetic number, because the mean of its divisors is an integer number (135110052).

Almost surely, 2^9131266080 is an apocalyptic number.

9131266080 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9131266080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16213206240).

9131266080 is an abundant number, since it is smaller than the sum of its proper divisors (23295146400).

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

9131266080 is a wasteful number, since it uses less digits than its factorization.

9131266080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4413 (or 4396 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 9131266080 is about 95557.6584058023. The cubic root of 9131266080 is about 2090.1478097275.

Adding to 9131266080 its reverse (806621319), we get a palindrome (9937887399).

The spelling of 9131266080 in words is "nine billion, one hundred thirty-one million, two hundred sixty-six thousand, eighty".