16505530233 has 8 divisors (see below), whose sum is σ = 22008957600. Its totient is φ = 11002894848.

The previous prime is 16505530213. The next prime is 16505530289. The reversal of 16505530233 is 33203550561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16505530233 - 2⁵ = 16505530201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16505530194 and 16505530203.

It is not an unprimeable number, because it can be changed into a prime (16505530213) 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 7 ways as a sum of consecutive naturals, for example, 147528 + ... + 234041.

It is an arithmetic number, because the mean of its divisors is an integer number (2751119700).

Almost surely, 2^16505530233 is an apocalyptic number.

It is an amenable number.

16505530233 is a deficient number, since it is larger than the sum of its proper divisors (5503427367).

16505530233 is a wasteful number, since it uses less digits than its factorization.

16505530233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395991.

The product of its (nonzero) digits is 40500, while the sum is 33.

The spelling of 16505530233 in words is "sixteen billion, five hundred five million, five hundred thirty thousand, two hundred thirty-three".