2216718387185 has 8 divisors (see below), whose sum is σ = 2697527727936. Its totient is φ = 1748397600880.

The previous prime is 2216718387173. The next prime is 2216718387203. The reversal of 2216718387185 is 5817838176122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2216718387185 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3122138219 + ... + 3122138928.

It is an arithmetic number, because the mean of its divisors is an integer number (337190965992).

Almost surely, 2^{2216718387185} is an apocalyptic number.

It is an amenable number.

2216718387185 is a deficient number, since it is larger than the sum of its proper divisors (480809340751).

2216718387185 is an equidigital number, since it uses as much as digits as its factorization.

2216718387185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6244277223.

The product of its digits is 9031680, while the sum is 59.

The spelling of 2216718387185 in words is "two trillion, two hundred sixteen billion, seven hundred eighteen million, three hundred eighty-seven thousand, one hundred eighty-five".