16384000004 has 24 divisors (see below), whose sum is σ = 29160930456. Its totient is φ = 8052480000.

The previous prime is 16384000001. The next prime is 16384000013. The reversal of 16384000004 is 40000048361.

It can be written as a sum of positive squares in 4 ways, for example, as 280897600 + 16103102404 = 16760^2 + 126898^2 .

It is a super-2 number, since 2×16384000004² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16384000001) 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, 369674 + ... + 411614.

It is an arithmetic number, because the mean of its divisors is an integer number (1215038769).

Almost surely, 2^16384000004 is an apocalyptic number.

It is an amenable number.

16384000004 is a deficient number, since it is larger than the sum of its proper divisors (12776930452).

16384000004 is a wasteful number, since it uses less digits than its factorization.

16384000004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43607 (or 43605 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 16384000004 its reverse (40000048361), we get a palindrome (56384048365).

The spelling of 16384000004 in words is "sixteen billion, three hundred eighty-four million, four", and thus it is an aban number.