16530353433 has 48 divisors (see below), whose sum is σ = 27256896576. Its totient is φ = 9563598720.

The previous prime is 16530353387. The next prime is 16530353443. The reversal of 16530353433 is 33435303561.

16530353433 is a `hidden beast` number, since 1 + 6 + 5 + 303 + 5 + 343 + 3 = 666.

16530353433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16530353433 - 2³⁰ = 15456611609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16530353443) 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 47 ways as a sum of consecutive naturals, for example, 151566 + ... + 236712.

It is an arithmetic number, because the mean of its divisors is an integer number (567852012).

Almost surely, 2^16530353433 is an apocalyptic number.

It is an amenable number.

16530353433 is a deficient number, since it is larger than the sum of its proper divisors (10726543143).

16530353433 is a wasteful number, since it uses less digits than its factorization.

16530353433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85254 (or 85251 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 36.

Adding to 16530353433 its reverse (33435303561), we get a palindrome (49965656994).

It can be divided in two parts, 16530 and 353433, that added together give a palindrome (369963).

The spelling of 16530353433 in words is "sixteen billion, five hundred thirty million, three hundred fifty-three thousand, four hundred thirty-three".