8191148418 has 24 divisors (see below), whose sum is σ = 17757715248. Its totient is φ = 2728809432.

The previous prime is 8191148359. The next prime is 8191148443. The reversal of 8191148418 is 8148411918.

8191148418 is a `hidden beast` number, since 8 + 1 + 91 + 148 + 418 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98796 + ... + 161687.

It is an arithmetic number, because the mean of its divisors is an integer number (739904802).

Almost surely, 2^8191148418 is an apocalyptic number.

8191148418 is an abundant number, since it is smaller than the sum of its proper divisors (9566566830).

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

8191148418 is a wasteful number, since it uses less digits than its factorization.

8191148418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262238 (or 262235 counting only the distinct ones).

The product of its digits is 73728, while the sum is 45.

The square root of 8191148418 is about 90504.9634992468. The cubic root of 8191148418 is about 2015.8038254524.

The spelling of 8191148418 in words is "eight billion, one hundred ninety-one million, one hundred forty-eight thousand, four hundred eighteen".