8081969568 has 48 divisors (see below), whose sum is σ = 21310361856. Its totient is φ = 2681902080.

The previous prime is 8081969531. The next prime is 8081969573. The reversal of 8081969568 is 8659691808.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167353 + ... + 210168.

It is an arithmetic number, because the mean of its divisors is an integer number (443965872).

Almost surely, 2^8081969568 is an apocalyptic number.

It is an amenable number.

8081969568 is an abundant number, since it is smaller than the sum of its proper divisors (13228392288).

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

8081969568 is a wasteful number, since it uses less digits than its factorization.

8081969568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377757 (or 377749 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 60.

The square root of 8081969568 is about 89899.7751276387. The cubic root of 8081969568 is about 2006.8075993383.

The spelling of 8081969568 in words is "eight billion, eighty-one million, nine hundred sixty-nine thousand, five hundred sixty-eight".