16304412213 has 8 divisors (see below), whose sum is σ = 24154684800. Its totient is φ = 10869608124.

The previous prime is 16304412203. The next prime is 16304412263. The reversal of 16304412213 is 31221440361.

It is a happy number.

16304412213 is a `hidden beast` number, since 1 + 6 + 3 + 0 + 441 + 2 + 213 = 666.

It is not a de Polignac number, because 16304412213 - 2⁵ = 16304412181 is a prime.

It is a super-2 number, since 2×16304412213² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 603867119 = 16304412213 / (1 + 6 + 3 + 0 + 4 + 4 + 1 + 2 + 2 + 1 + 3).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16304412203) 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 7 ways as a sum of consecutive naturals, for example, 301933533 + ... + 301933586.

It is an arithmetic number, because the mean of its divisors is an integer number (3019335600).

Almost surely, 2^16304412213 is an apocalyptic number.

It is an amenable number.

16304412213 is a deficient number, since it is larger than the sum of its proper divisors (7850272587).

16304412213 is an equidigital number, since it uses as much as digits as its factorization.

16304412213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603867128 (or 603867122 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 16304412213 its reverse (31221440361), we get a palindrome (47525852574).

The spelling of 16304412213 in words is "sixteen billion, three hundred four million, four hundred twelve thousand, two hundred thirteen".