16727436133 has 4 divisors (see below), whose sum is σ = 16777072780. Its totient is φ = 16677799488.

The previous prime is 16727436119. The next prime is 16727436157. The reversal of 16727436133 is 33163472761.

It is a happy number.

16727436133 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.

It can be written as a sum of positive squares in 2 ways, for example, as 4873017249 + 11854418884 = 69807^2 + 108878^2 .

It is a cyclic number.

It is not a de Polignac number, because 16727436133 - 2⁵ = 16727436101 is a prime.

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 16727436133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16727446133) 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, 24817818 + ... + 24818491.

It is an arithmetic number, because the mean of its divisors is an integer number (4194268195).

Almost surely, 2^16727436133 is an apocalyptic number.

It is an amenable number.

16727436133 is a deficient number, since it is larger than the sum of its proper divisors (49636647).

16727436133 is an equidigital number, since it uses as much as digits as its factorization.

16727436133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49636646.

The product of its digits is 381024, while the sum is 43.

The spelling of 16727436133 in words is "sixteen billion, seven hundred twenty-seven million, four hundred thirty-six thousand, one hundred thirty-three".