16606066650 has 48 divisors (see below), whose sum is σ = 43605584064. Its totient is φ = 4167796480.

The previous prime is 16606066643. The next prime is 16606066651. The reversal of 16606066650 is 5666060661.

It is a super-2 number, since 2×16606066650² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16606066651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3253542 + ... + 3258641.

It is an arithmetic number, because the mean of its divisors is an integer number (908449668).

Almost surely, 2^16606066650 is an apocalyptic number.

16606066650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16606066650 is an abundant number, since it is smaller than the sum of its proper divisors (26999517414).

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

16606066650 is a wasteful number, since it uses less digits than its factorization.

16606066650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6512215 (or 6512210 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 16606066650 in words is "sixteen billion, six hundred six million, sixty-six thousand, six hundred fifty".