16333387872 has 48 divisors (see below), whose sum is σ = 43112068272. Its totient is φ = 5414376960.

The previous prime is 16333387817. The next prime is 16333387879. The reversal of 16333387872 is 27878333361.

16333387872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16333387879) 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 7 ways as a sum of consecutive naturals, for example, 452623 + ... + 487374.

It is an arithmetic number, because the mean of its divisors is an integer number (898168089).

Almost surely, 2^16333387872 is an apocalyptic number.

16333387872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16333387872 is an abundant number, since it is smaller than the sum of its proper divisors (26778680400).

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

16333387872 is a wasteful number, since it uses less digits than its factorization.

16333387872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940191 (or 940183 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 51.

The spelling of 16333387872 in words is "sixteen billion, three hundred thirty-three million, three hundred eighty-seven thousand, eight hundred seventy-two".