16366400204 has 48 divisors (see below), whose sum is σ = 35734062336. Its totient is φ = 6371956800.

The previous prime is 16366400201. The next prime is 16366400227. The reversal of 16366400204 is 40200466361.

It is not an unprimeable number, because it can be changed into a prime (16366400201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 429239 + ... + 465809.

It is an arithmetic number, because the mean of its divisors is an integer number (744459632).

Almost surely, 2^16366400204 is an apocalyptic number.

16366400204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16366400204 is an abundant number, since it is smaller than the sum of its proper divisors (19367662132).

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

16366400204 is a wasteful number, since it uses less digits than its factorization.

16366400204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38046 (or 38044 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 16366400204 its reverse (40200466361), we get a palindrome (56566866565).

The spelling of 16366400204 in words is "sixteen billion, three hundred sixty-six million, four hundred thousand, two hundred four".