16382839872 has 224 divisors, whose sum is σ = 51585847552. Its totient is φ = 4490919936.

The previous prime is 16382839859. The next prime is 16382839897. The reversal of 16382839872 is 27893828361.

It is a tau number, because it is divible by the number of its divisors (224).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3627888 + ... + 3632400.

Almost surely, 2^16382839872 is an apocalyptic number.

16382839872 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 16382839872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25792923776).

16382839872 is an abundant number, since it is smaller than the sum of its proper divisors (35203007680).

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

16382839872 is a wasteful number, since it uses less digits than its factorization.

16382839872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4645 (or 4635 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 57.

The spelling of 16382839872 in words is "sixteen billion, three hundred eighty-two million, eight hundred thirty-nine thousand, eight hundred seventy-two".