8091936180 has 96 divisors (see below), whose sum is σ = 25424340480. Its totient is φ = 2136470400.

The previous prime is 8091936157. The next prime is 8091936187. The reversal of 8091936180 is 816391908.

It is a super-2 number, since 2×8091936180² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8091936187) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19644 + ... + 128723.

It is an arithmetic number, because the mean of its divisors is an integer number (264836880).

Almost surely, 2^8091936180 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 8091936180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12712170240).

8091936180 is an abundant number, since it is smaller than the sum of its proper divisors (17332404300).

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

8091936180 is a wasteful number, since it uses less digits than its factorization.

8091936180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148486 (or 148478 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 8091936180 is about 89955.1898447221. The cubic root of 8091936180 is about 2007.6321861525.

The spelling of 8091936180 in words is "eight billion, ninety-one million, nine hundred thirty-six thousand, one hundred eighty".