16674686166 has 16 divisors (see below), whose sum is σ = 33351897600. Its totient is φ = 5557807848.

The previous prime is 16674686117. The next prime is 16674686167. The reversal of 16674686166 is 66168647661.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16674686167) 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, 13186 + ... + 183093.

It is an arithmetic number, because the mean of its divisors is an integer number (2084493600).

Almost surely, 2^16674686166 is an apocalyptic number.

16674686166 is an abundant number, since it is smaller than the sum of its proper divisors (16677211434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16674686166 is a wasteful number, since it uses less digits than its factorization.

16674686166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210443.

The product of its digits is 10450944, while the sum is 57.

The spelling of 16674686166 in words is "sixteen billion, six hundred seventy-four million, six hundred eighty-six thousand, one hundred sixty-six".