16041839872 has 72 divisors (see below), whose sum is σ = 32689949544. Its totient is φ = 7853973504.

The previous prime is 16041839861. The next prime is 16041839873. The reversal of 16041839872 is 27893814061.

It can be written as a sum of positive squares in 4 ways, for example, as 9669968896 + 6371870976 = 98336^2 + 79824^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16041839873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9944538 + ... + 9946150.

It is an arithmetic number, because the mean of its divisors is an integer number (454027077).

Almost surely, 2^16041839872 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 16041839872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16344974772).

16041839872 is an abundant number, since it is smaller than the sum of its proper divisors (16648109672).

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

16041839872 is an equidigital number, since it uses as much as digits as its factorization.

16041839872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2415 (or 2401 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 16041839872 in words is "sixteen billion, forty-one million, eight hundred thirty-nine thousand, eight hundred seventy-two".