2216785347642 has 8 divisors (see below), whose sum is σ = 4433570695296. Its totient is φ = 738928449212.

The previous prime is 2216785347641. The next prime is 2216785347709. The reversal of 2216785347642 is 2467435876122.

It is a happy number.

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

2216785347642 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2216785347641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184732112298 + ... + 184732112309.

It is an arithmetic number, because the mean of its divisors is an integer number (554196336912).

Almost surely, 2^{2216785347642} is an apocalyptic number.

2216785347642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2216785347642 is a wasteful number, since it uses less digits than its factorization.

2216785347642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369464224612.

The product of its digits is 27095040, while the sum is 57.

The spelling of 2216785347642 in words is "two trillion, two hundred sixteen billion, seven hundred eighty-five million, three hundred forty-seven thousand, six hundred forty-two".