16533241133 has 4 divisors (see below), whose sum is σ = 17252077728. Its totient is φ = 15814404540.

The previous prime is 16533241111. The next prime is 16533241141. The reversal of 16533241133 is 33114233561.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16533241133 - 2²⁶ = 16466132269 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16533241133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16533241163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359418263 + ... + 359418308.

It is an arithmetic number, because the mean of its divisors is an integer number (4313019432).

Almost surely, 2^16533241133 is an apocalyptic number.

It is an amenable number.

16533241133 is a deficient number, since it is larger than the sum of its proper divisors (718836595).

16533241133 is an equidigital number, since it uses as much as digits as its factorization.

16533241133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718836594.

The product of its digits is 19440, while the sum is 32.

Adding to 16533241133 its reverse (33114233561), we get a palindrome (49647474694).

The spelling of 16533241133 in words is "sixteen billion, five hundred thirty-three million, two hundred forty-one thousand, one hundred thirty-three".