16221600871 has 8 divisors (see below), whose sum is σ = 18917319200. Its totient is φ = 13904229024.

The previous prime is 16221600869. The next prime is 16221600887. The reversal of 16221600871 is 17800612261.

It is not a de Polignac number, because 16221600871 - 2¹ = 16221600869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16221600851) 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, 23646306 + ... + 23646991.

It is an arithmetic number, because the mean of its divisors is an integer number (2364664900).

Almost surely, 2^16221600871 is an apocalyptic number.

16221600871 is a deficient number, since it is larger than the sum of its proper divisors (2695718329).

16221600871 is an frugal number, since it uses more digits than its factorization.

16221600871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47293318 (or 47293304 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The spelling of 16221600871 in words is "sixteen billion, two hundred twenty-one million, six hundred thousand, eight hundred seventy-one".