16643100224 has 14 divisors (see below), whose sum is σ = 33026152134. Its totient is φ = 8321550080.

The previous prime is 16643100223. The next prime is 16643100269. The reversal of 16643100224 is 42200134661.

It can be written as a sum of positive squares in only one way, i.e., 16620366400 + 22733824 = 128920^2 + 4768^2 .

It is a super-2 number, since 2×16643100224² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16643100223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130024157 + ... + 130024284.

Almost surely, 2^16643100224 is an apocalyptic number.

It is an amenable number.

16643100224 is a deficient number, since it is larger than the sum of its proper divisors (16383051910).

16643100224 is an equidigital number, since it uses as much as digits as its factorization.

16643100224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260048453 (or 260048443 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 16643100224 its reverse (42200134661), we get a palindrome (58843234885).

The spelling of 16643100224 in words is "sixteen billion, six hundred forty-three million, one hundred thousand, two hundred twenty-four".