16066616166 has 36 divisors (see below), whose sum is σ = 36148079292. Its totient is φ = 5355534348.

The previous prime is 16066616143. The next prime is 16066616183. The reversal of 16066616166 is 66161666061.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 599080 + ... + 625323.

Almost surely, 2^16066616166 is an apocalyptic number.

16066616166 is an abundant number, since it is smaller than the sum of its proper divisors (20081463126).

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

16066616166 is an frugal number, since it uses more digits than its factorization.

16066616166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224429 (or 1224408 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 16066616166 in words is "sixteen billion, sixty-six million, six hundred sixteen thousand, one hundred sixty-six".