16446020205 has 16 divisors (see below), whose sum is σ = 27220999680. Its totient is φ = 8468755008.

The previous prime is 16446020189. The next prime is 16446020219. The reversal of 16446020205 is 50202064461.

16446020205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16446020205 - 2⁴ = 16446020189 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18903037 + ... + 18903906.

It is an arithmetic number, because the mean of its divisors is an integer number (1701312480).

Almost surely, 2^16446020205 is an apocalyptic number.

16446020205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16446020205 is a deficient number, since it is larger than the sum of its proper divisors (10774979475).

16446020205 is a wasteful number, since it uses less digits than its factorization.

16446020205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37806980.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 16446020205 its reverse (50202064461), we get a palindrome (66648084666).

The spelling of 16446020205 in words is "sixteen billion, four hundred forty-six million, twenty thousand, two hundred five".