8068516018 has 4 divisors (see below), whose sum is σ = 12102774030. Its totient is φ = 4034258008.

The previous prime is 8068516009. The next prime is 8068516019. The reversal of 8068516018 is 8106158608.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5379782409 + 2688733609 = 73347^2 + 51853^2 .

It is not an unprimeable number, because it can be changed into a prime (8068516019) by changing a digit.

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 as a sum of consecutive naturals, namely, 2017129003 + ... + 2017129006.

Almost surely, 2^8068516018 is an apocalyptic number.

8068516018 is a deficient number, since it is larger than the sum of its proper divisors (4034258012).

8068516018 is a wasteful number, since it uses less digits than its factorization.

8068516018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4034258011.

The product of its (nonzero) digits is 92160, while the sum is 43.

The square root of 8068516018 is about 89824.9186918641. The cubic root of 8068516018 is about 2005.6934451284.

The spelling of 8068516018 in words is "eight billion, sixty-eight million, five hundred sixteen thousand, eighteen".