216600155000 has 40 divisors (see below), whose sum is σ = 507494174880. Its totient is φ = 86640060000.

The previous prime is 216600154999. The next prime is 216600155011. The reversal of 216600155000 is 551006612.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 21655016 + ... + 21665015.

It is an arithmetic number, because the mean of its divisors is an integer number (12687354372).

Almost surely, 2^216600155000 is an apocalyptic number.

216600155000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216600155000 is an abundant number, since it is smaller than the sum of its proper divisors (290894019880).

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

216600155000 is an equidigital number, since it uses as much as digits as its factorization.

216600155000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43320057 (or 43320038 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The spelling of 216600155000 in words is "two hundred sixteen billion, six hundred million, one hundred fifty-five thousand".