16384478084 has 48 divisors (see below), whose sum is σ = 31735227888. Its totient is φ = 7352529408.

The previous prime is 16384478023. The next prime is 16384478111. The reversal of 16384478084 is 48087448361.

It can be written as a sum of positive squares in 8 ways, for example, as 4061257984 + 12323220100 = 63728^2 + 111010^2 .

It is a super-2 number, since 2×16384478084² (a number of 21 digits) contains 22 as substring.

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, 4533062 + ... + 4536674.

It is an arithmetic number, because the mean of its divisors is an integer number (661150581).

Almost surely, 2^16384478084 is an apocalyptic number.

It is an amenable number.

16384478084 is a deficient number, since it is larger than the sum of its proper divisors (15350749804).

16384478084 is a wasteful number, since it uses less digits than its factorization.

16384478084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6024 (or 6022 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 53.

The spelling of 16384478084 in words is "sixteen billion, three hundred eighty-four million, four hundred seventy-eight thousand, eighty-four".