8001516568 has 32 divisors (see below), whose sum is σ = 15228329760. Its totient is φ = 3940773120.

The previous prime is 8001516559. The next prime is 8001516571. The reversal of 8001516568 is 8656151008.

It is a self number, because there is not a number n which added to its sum of digits gives 8001516568.

It is a congruent number.

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, 456853 + ... + 474043.

It is an arithmetic number, because the mean of its divisors is an integer number (475885305).

Almost surely, 2^8001516568 is an apocalyptic number.

It is an amenable number.

8001516568 is a deficient number, since it is larger than the sum of its proper divisors (7226813192).

8001516568 is a wasteful number, since it uses less digits than its factorization.

8001516568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18067 (or 18063 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 40.

The square root of 8001516568 is about 89451.1965710912. The cubic root of 8001516568 is about 2000.1263726815.

The spelling of 8001516568 in words is "eight billion, one million, five hundred sixteen thousand, five hundred sixty-eight".