16327133 has 4 divisors (see below), whose sum is σ = 16335228. Its totient is φ = 16319040.

The previous prime is 16327121. The next prime is 16327141. The reversal of 16327133 is 33172361.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 33172361 = 83 ⋅399667.

It can be written as a sum of positive squares in 2 ways, for example, as 9966649 + 6360484 = 3157^2 + 2522^2 .

It is a cyclic number.

It is not a de Polignac number, because 16327133 - 2⁴ = 16327117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16327153) 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, 1685 + ... + 5957.

It is an arithmetic number, because the mean of its divisors is an integer number (4083807).

Almost surely, 2^16327133 is an apocalyptic number.

It is an amenable number.

16327133 is a deficient number, since it is larger than the sum of its proper divisors (8095).

16327133 is an equidigital number, since it uses as much as digits as its factorization.

16327133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8094.

The product of its digits is 2268, while the sum is 26.

The square root of 16327133 is about 4040.6847192029. The cubic root of 16327133 is about 253.6899776336.

Adding to 16327133 its reverse (33172361), we get a palindrome (49499494).

The spelling of 16327133 in words is "sixteen million, three hundred twenty-seven thousand, one hundred thirty-three".