16005322533 has 4 divisors (see below), whose sum is σ = 21340430048. Its totient is φ = 10670215020.

The previous prime is 16005322523. The next prime is 16005322577. The reversal of 16005322533 is 33522350061.

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 not a de Polignac number, because 16005322533 - 2¹⁸ = 16005060389 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 16005322533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16005322523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2667553753 + ... + 2667553758.

It is an arithmetic number, because the mean of its divisors is an integer number (5335107512).

Almost surely, 2^16005322533 is an apocalyptic number.

It is an amenable number.

16005322533 is a deficient number, since it is larger than the sum of its proper divisors (5335107515).

16005322533 is an equidigital number, since it uses as much as digits as its factorization.

16005322533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5335107514.

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 16005322533 its reverse (33522350061), we get a palindrome (49527672594).

The spelling of 16005322533 in words is "sixteen billion, five million, three hundred twenty-two thousand, five hundred thirty-three".