16533442033 has 2 divisors, whose sum is σ = 16533442034. Its totient is φ = 16533442032.

The previous prime is 16533442019. The next prime is 16533442067. The reversal of 16533442033 is 33024433561.

It is an a-pointer prime, because the next prime (16533442067) can be obtained adding 16533442033 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12641179489 + 3892262544 = 112433^2 + 62388^2 .

It is a cyclic number.

It is not a de Polignac number, because 16533442033 - 2²⁹ = 15996571121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16533442033.

It is not a weakly prime, because it can be changed into another prime (16533442433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8266721016 + 8266721017.

It is an arithmetic number, because the mean of its divisors is an integer number (8266721017).

Almost surely, 2^16533442033 is an apocalyptic number.

It is an amenable number.

16533442033 is a deficient number, since it is larger than the sum of its proper divisors (1).

16533442033 is an equidigital number, since it uses as much as digits as its factorization.

16533442033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 34.

Adding to 16533442033 its reverse (33024433561), we get a palindrome (49557875594).

The spelling of 16533442033 in words is "sixteen billion, five hundred thirty-three million, four hundred forty-two thousand, thirty-three".