16383784032 has 384 divisors, whose sum is σ = 59825848320. Its totient is φ = 4237816320.

The previous prime is 16383783863. The next prime is 16383784033. The reversal of 16383784032 is 23048738361.

16383784032 is a `hidden beast` number, since 1 + 638 + 3 + 7 + 8 + 4 + 0 + 3 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16383784033) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25479903 + ... + 25480545.

It is an arithmetic number, because the mean of its divisors is an integer number (155796480).

Almost surely, 2^16383784032 is an apocalyptic number.

16383784032 is a gapful number since it is divisible by the number (12) 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 16383784032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29912924160).

16383784032 is an abundant number, since it is smaller than the sum of its proper divisors (43442064288).

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

16383784032 is a wasteful number, since it uses less digits than its factorization.

16383784032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063 (or 1049 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 16383784032 in words is "sixteen billion, three hundred eighty-three million, seven hundred eighty-four thousand, thirty-two".