16706666028 has 144 divisors (see below), whose sum is σ = 45968428800. Its totient is φ = 4701715200.

The previous prime is 16706666021. The next prime is 16706666063. The reversal of 16706666028 is 82066660761.

It is a super-3 number, since 3×16706666028³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (16706666021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1109953 + ... + 1124903.

It is an arithmetic number, because the mean of its divisors is an integer number (319225200).

Almost surely, 2^16706666028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16706666028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22984214400).

16706666028 is an abundant number, since it is smaller than the sum of its proper divisors (29261762772).

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

16706666028 is a wasteful number, since it uses less digits than its factorization.

16706666028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15032 (or 15017 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 16706666028 in words is "sixteen billion, seven hundred six million, six hundred sixty-six thousand, twenty-eight".