It is an unprimeable number.
Almost surely, 216606777100 is an apocalyptic number.
16606777100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 16606777100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19001257800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16606777100 is a wasteful number, since it uses less digits than its factorization.
16606777100 is an odious number, because the sum of its binary digits is odd.
The spelling of 16606777100 in words is "sixteen billion, six hundred six million, seven hundred seventy-seven thousand, one hundred".