16500321062432 has 24 divisors (see below), whose sum is σ = 33897398705856. Its totient is φ = 7891457899072.

The previous prime is 16500321062371. The next prime is 16500321062437. The reversal of 16500321062432 is 23426012300561.

It is a junction number, because it is equal to n+sod(n) for n = 16500321062392 and 16500321062401.

It is not an unprimeable number, because it can be changed into a prime (16500321062437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11209456508 + ... + 11209457979.

It is an arithmetic number, because the mean of its divisors is an integer number (1412391612744).

Almost surely, 2^{16500321062432} is an apocalyptic number.

It is an amenable number.

16500321062432 is an abundant number, since it is smaller than the sum of its proper divisors (17397077643424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16500321062432 is a wasteful number, since it uses less digits than its factorization.

16500321062432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22418914520 (or 22418914512 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 16500321062432 its reverse (23426012300561), we get a palindrome (39926333362993).

The spelling of 16500321062432 in words is "sixteen trillion, five hundred billion, three hundred twenty-one million, sixty-two thousand, four hundred thirty-two".