9158841072 has 180 divisors, whose sum is σ = 27248941720. Its totient is φ = 2980478592.

The previous prime is 9158841071. The next prime is 9158841151. The reversal of 9158841072 is 2701488519.

9158841072 is a `hidden beast` number, since 91 + 5 + 88 + 410 + 72 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9158841071) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4512954 + ... + 4514982.

Almost surely, 2^9158841072 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 9158841072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13624470860).

9158841072 is an abundant number, since it is smaller than the sum of its proper divisors (18090100648).

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

9158841072 is an equidigital number, since it uses as much as digits as its factorization.

9158841072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2104 (or 2077 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The square root of 9158841072 is about 95701.8342143974. The cubic root of 9158841072 is about 2092.2496682843.

The spelling of 9158841072 in words is "nine billion, one hundred fifty-eight million, eight hundred forty-one thousand, seventy-two".