155998206000 is a `hidden beast` number, since 1 + 559 + 98 + 2 + 0 + 6 + 0 + 0 + 0 = 666.
It is an unprimeable number.
Almost surely, 2155998206000 is an apocalyptic number.
155998206000 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 155998206000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338316346368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
155998206000 is a wasteful number, since it uses less digits than its factorization.
155998206000 is an evil number, because the sum of its binary digits is even.
The spelling of 155998206000 in words is "one hundred fifty-five billion, nine hundred ninety-eight million, two hundred six thousand".