16433384916 has 72 divisors (see below), whose sum is σ = 41591917920. Its totient is φ = 5047795584.

The previous prime is 16433384897. The next prime is 16433384923. The reversal of 16433384916 is 61948333461.

16433384916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16433384916² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1236555 + ... + 1249773.

Almost surely, 2^16433384916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16433384916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20795958960).

16433384916 is an abundant number, since it is smaller than the sum of its proper divisors (25158533004).

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

16433384916 is a wasteful number, since it uses less digits than its factorization.

16433384916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13865 (or 13850 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 48.

The spelling of 16433384916 in words is "sixteen billion, four hundred thirty-three million, three hundred eighty-four thousand, nine hundred sixteen".