16443927133 has 4 divisors (see below), whose sum is σ = 16491316320. Its totient is φ = 16396537948.

The previous prime is 16443927109. The next prime is 16443927151. The reversal of 16443927133 is 33172934461.

16443927133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-16443927133 is a prime.

It is a super-3 number, since 3×16443927133³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16443927133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16443927163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23694073 + ... + 23694766.

It is an arithmetic number, because the mean of its divisors is an integer number (4122829080).

Almost surely, 2^16443927133 is an apocalyptic number.

It is an amenable number.

16443927133 is a deficient number, since it is larger than the sum of its proper divisors (47389187).

16443927133 is an equidigital number, since it uses as much as digits as its factorization.

16443927133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47389186.

The product of its digits is 326592, while the sum is 43.

The spelling of 16443927133 in words is "sixteen billion, four hundred forty-three million, nine hundred twenty-seven thousand, one hundred thirty-three".