16331954688 has 240 divisors, whose sum is σ = 55609821696. Its totient is φ = 4515471360.

The previous prime is 16331954677. The next prime is 16331954707. The reversal of 16331954688 is 88645913361.

16331954688 is a `hidden beast` number, since 1 + 6 + 3 + 3 + 19 + 546 + 88 = 666.

16331954688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 991770 + ... + 1008102.

Almost surely, 2^16331954688 is an apocalyptic number.

16331954688 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16331954688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27804910848).

16331954688 is an abundant number, since it is smaller than the sum of its proper divisors (39277867008).

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

16331954688 is a wasteful number, since it uses less digits than its factorization.

16331954688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16395 (or 16376 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The spelling of 16331954688 in words is "sixteen billion, three hundred thirty-one million, nine hundred fifty-four thousand, six hundred eighty-eight".