16533733 has 2 divisors, whose sum is σ = 16533734. Its totient is φ = 16533732.

The previous prime is 16533691. The next prime is 16533761. The reversal of 16533733 is 33733561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9474084 + 7059649 = 3078^2 + 2657^2 .

It is an emirp because it is prime and its reverse (33733561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16533733 - 2⁹ = 16533221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16533695 and 16533704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16533763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8266866 + 8266867.

It is an arithmetic number, because the mean of its divisors is an integer number (8266867).

Almost surely, 2^16533733 is an apocalyptic number.

It is an amenable number.

16533733 is a deficient number, since it is larger than the sum of its proper divisors (1).

16533733 is an equidigital number, since it uses as much as digits as its factorization.

16533733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17010, while the sum is 31.

The square root of 16533733 is about 4066.1693275121. The cubic root of 16533733 is about 254.7555417061.

The spelling of 16533733 in words is "sixteen million, five hundred thirty-three thousand, seven hundred thirty-three".