16384004236866 has 16 divisors (see below), whose sum is σ = 37449152541504. Its totient is φ = 4681144067664.

The previous prime is 16384004236861. The next prime is 16384004236903. The reversal of 16384004236866 is 66863240048361.

It is not an unprimeable number, because it can be changed into a prime (16384004236861) 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, 195047669445 + ... + 195047669528.

It is an arithmetic number, because the mean of its divisors is an integer number (2340572033844).

Almost surely, 2^{16384004236866} is an apocalyptic number.

16384004236866 is an abundant number, since it is smaller than the sum of its proper divisors (21065148304638).

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

16384004236866 is a wasteful number, since it uses less digits than its factorization.

16384004236866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390095338985.

The product of its (nonzero) digits is 23887872, while the sum is 57.

The spelling of 16384004236866 in words is "sixteen trillion, three hundred eighty-four billion, four million, two hundred thirty-six thousand, eight hundred sixty-six".