8141938816 has 32 divisors (see below), whose sum is σ = 17694841680. Its totient is φ = 3700880640.

The previous prime is 8141938813. The next prime is 8141938873. The reversal of 8141938816 is 6188391418.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 8141938816.

It is not an unprimeable number, because it can be changed into a prime (8141938813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2889906 + ... + 2892721.

Almost surely, 2^8141938816 is an apocalyptic number.

It is an amenable number.

8141938816 is an abundant number, since it is smaller than the sum of its proper divisors (9552902864).

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

8141938816 is a wasteful number, since it uses less digits than its factorization.

8141938816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5782652 (or 5782640 counting only the distinct ones).

The product of its digits is 331776, while the sum is 49.

The square root of 8141938816 is about 90232.6926119353. The cubic root of 8141938816 is about 2011.7589625705.

The spelling of 8141938816 in words is "eight billion, one hundred forty-one million, nine hundred thirty-eight thousand, eight hundred sixteen".