16033512161 has 2 divisors, whose sum is σ = 16033512162. Its totient is φ = 16033512160.

The previous prime is 16033512151. The next prime is 16033512217. The reversal of 16033512161 is 16121533061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16022496400 + 11015761 = 126580^2 + 3319^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16033512161 is a prime.

It is not a weakly prime, because it can be changed into another prime (16033512151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8016756080 + 8016756081.

It is an arithmetic number, because the mean of its divisors is an integer number (8016756081).

Almost surely, 2^16033512161 is an apocalyptic number.

It is an amenable number.

16033512161 is a deficient number, since it is larger than the sum of its proper divisors (1).

16033512161 is an equidigital number, since it uses as much as digits as its factorization.

16033512161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 29.

The spelling of 16033512161 in words is "sixteen billion, thirty-three million, five hundred twelve thousand, one hundred sixty-one".