16172233222166 has 48 divisors (see below), whose sum is σ = 29550340759968. Its totient is φ = 6480051206400.

The previous prime is 16172233222157. The next prime is 16172233222169. The reversal of 16172233222166 is 66122233227161.

16172233222166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16172233222166² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16172233222169) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3936560 + ... + 6916716.

It is an arithmetic number, because the mean of its divisors is an integer number (615632099166).

Almost surely, 2^{16172233222166} is an apocalyptic number.

16172233222166 is a deficient number, since it is larger than the sum of its proper divisors (13378107537802).

16172233222166 is a wasteful number, since it uses less digits than its factorization.

16172233222166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2980485 (or 2980334 counting only the distinct ones).

The product of its digits is 435456, while the sum is 44.

The spelling of 16172233222166 in words is "sixteen trillion, one hundred seventy-two billion, two hundred thirty-three million, two hundred twenty-two thousand, one hundred sixty-six".