8160558240 has 384 divisors, whose sum is σ = 28217548800. Its totient is φ = 1975930880.

The previous prime is 8160558181. The next prime is 8160558251. The reversal of 8160558240 is 428550618.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22731181 + ... + 22731539.

It is an arithmetic number, because the mean of its divisors is an integer number (73483200).

Almost surely, 2^8160558240 is an apocalyptic number.

8160558240 is a gapful number since it is divisible by the number (80) 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 8160558240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14108774400).

8160558240 is an abundant number, since it is smaller than the sum of its proper divisors (20056990560).

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

8160558240 is a wasteful number, since it uses less digits than its factorization.

8160558240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500 (or 492 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 8160558240 is about 90335.8081825806. The cubic root of 8160558240 is about 2013.2913279640.

The spelling of 8160558240 in words is "eight billion, one hundred sixty million, five hundred fifty-eight thousand, two hundred forty".