16533064403 has 2 divisors, whose sum is σ = 16533064404. Its totient is φ = 16533064402.

The previous prime is 16533064399. The next prime is 16533064487. The reversal of 16533064403 is 30446033561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16533064403 - 2² = 16533064399 is a prime.

It is not a weakly prime, because it can be changed into another prime (16533069403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8266532201 + 8266532202.

It is an arithmetic number, because the mean of its divisors is an integer number (8266532202).

Almost surely, 2^16533064403 is an apocalyptic number.

16533064403 is a deficient number, since it is larger than the sum of its proper divisors (1).

16533064403 is an equidigital number, since it uses as much as digits as its factorization.

16533064403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 35.

Adding to 16533064403 its reverse (30446033561), we get a palindrome (46979097964).

The spelling of 16533064403 in words is "sixteen billion, five hundred thirty-three million, sixty-four thousand, four hundred three".