16018916072968 has 16 divisors (see below), whose sum is σ = 30035516545980. Its totient is φ = 8009444994048.

The previous prime is 16018916072953. The next prime is 16018916072989. The reversal of 16018916072968 is 86927061981061.

It can be written as a sum of positive squares in 2 ways, for example, as 14140322371044 + 1878593701924 = 3760362^2 + 1370618^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5345280 + ... + 7785232.

Almost surely, 2^{16018916072968} is an apocalyptic number.

It is an amenable number.

16018916072968 is a deficient number, since it is larger than the sum of its proper divisors (14016600473012).

16018916072968 is a wasteful number, since it uses less digits than its factorization.

16018916072968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3260616 (or 3260612 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 64.

The spelling of 16018916072968 in words is "sixteen trillion, eighteen billion, nine hundred sixteen million, seventy-two thousand, nine hundred sixty-eight".