8040591168 has 56 divisors (see below), whose sum is σ = 21280721472. Its totient is φ = 2679358464.

The previous prime is 8040591157. The next prime is 8040591187. The reversal of 8040591168 is 8611950408.

It is a super-2 number, since 2×8040591168² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1057396 + ... + 1064972.

Almost surely, 2^8040591168 is an apocalyptic number.

It is an amenable number.

8040591168 is an abundant number, since it is smaller than the sum of its proper divisors (13240130304).

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

8040591168 is a wasteful number, since it uses less digits than its factorization.

8040591168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13119 (or 13109 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 8040591168 is about 89669.3435238599. The cubic root of 8040591168 is about 2003.3768924231.

The spelling of 8040591168 in words is "eight billion, forty million, five hundred ninety-one thousand, one hundred sixty-eight".