16381441824 has 96 divisors (see below), whose sum is σ = 47795759424. Its totient is φ = 4870394880.

The previous prime is 16381441807. The next prime is 16381441861. The reversal of 16381441824 is 42814418361.

It is a tau number, because it is divible by the number of its divisors (96).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90379 + ... + 202314.

It is an arithmetic number, because the mean of its divisors is an integer number (497872494).

Almost surely, 2^16381441824 is an apocalyptic number.

It is an amenable number.

16381441824 is an abundant number, since it is smaller than the sum of its proper divisors (31414317600).

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

16381441824 is a wasteful number, since it uses less digits than its factorization.

16381441824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292770 (or 292762 counting only the distinct ones).

The product of its digits is 147456, while the sum is 42.

The spelling of 16381441824 in words is "sixteen billion, three hundred eighty-one million, four hundred forty-one thousand, eight hundred twenty-four".