16471222620172 has 6 divisors (see below), whose sum is σ = 28824639585308. Its totient is φ = 8235611310084.

The previous prime is 16471222620143. The next prime is 16471222620173. The reversal of 16471222620172 is 27102622217461.

It is not an unprimeable number, because it can be changed into a prime (16471222620173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2058902827518 + ... + 2058902827525.

Almost surely, 2^{16471222620172} is an apocalyptic number.

It is an amenable number.

16471222620172 is a deficient number, since it is larger than the sum of its proper divisors (12353416965136).

16471222620172 is a wasteful number, since it uses less digits than its factorization.

16471222620172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4117805655047 (or 4117805655045 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 43.

The spelling of 16471222620172 in words is "sixteen trillion, four hundred seventy-one billion, two hundred twenty-two million, six hundred twenty thousand, one hundred seventy-two".