16321024636 has 12 divisors (see below), whose sum is σ = 32642049328. Its totient is φ = 6994724832.

The previous prime is 16321024631. The next prime is 16321024651. The reversal of 16321024636 is 63642012361.

16321024636 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16321024631) 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, 291446841 + ... + 291446896.

Almost surely, 2^16321024636 is an apocalyptic number.

It is an amenable number.

16321024636 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16321024636 is a wasteful number, since it uses less digits than its factorization.

16321024636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582893748 (or 582893746 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 34.

Adding to 16321024636 its reverse (63642012361), we get a palindrome (79963036997).

The spelling of 16321024636 in words is "sixteen billion, three hundred twenty-one million, twenty-four thousand, six hundred thirty-six".