16550105166 has 80 divisors (see below), whose sum is σ = 44875407456. Its totient is φ = 4450443264.

The previous prime is 16550105161. The next prime is 16550105179. The reversal of 16550105166 is 66150105561.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16550105166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16550105161) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 409971 + ... + 448526.

Almost surely, 2^16550105166 is an apocalyptic number.

16550105166 is an abundant number, since it is smaller than the sum of its proper divisors (28325302290).

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

16550105166 is a wasteful number, since it uses less digits than its factorization.

16550105166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858535 (or 858526 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 16550105166 in words is "sixteen billion, five hundred fifty million, one hundred five thousand, one hundred sixty-six".