16216691271 has 24 divisors (see below), whose sum is σ = 24041504256. Its totient is φ = 9642803040.

The previous prime is 16216691269. The next prime is 16216691287. The reversal of 16216691271 is 17219661261.

16216691271 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 16216691271 - 2¹ = 16216691269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16216691291) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 5226 + ... + 180168.

It is an arithmetic number, because the mean of its divisors is an integer number (1001729344).

Almost surely, 2^16216691271 is an apocalyptic number.

16216691271 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16216691271 is a deficient number, since it is larger than the sum of its proper divisors (7824812985).

16216691271 is a wasteful number, since it uses less digits than its factorization.

16216691271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175063 (or 175010 counting only the distinct ones).

The product of its digits is 54432, while the sum is 42.

The spelling of 16216691271 in words is "sixteen billion, two hundred sixteen million, six hundred ninety-one thousand, two hundred seventy-one".