2218381678103 has 8 divisors (see below), whose sum is σ = 2248799301648. Its totient is φ = 2187964833984.

The previous prime is 2218381678003. The next prime is 2218381678259. The reversal of 2218381678103 is 3018761838122.

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

It is a cyclic number.

It is not a de Polignac number, because 2218381678103 - 2¹⁴ = 2218381661719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2218381678003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7731200 + ... + 8013002.

It is an arithmetic number, because the mean of its divisors is an integer number (281099912706).

Almost surely, 2^{2218381678103} is an apocalyptic number.

2218381678103 is a deficient number, since it is larger than the sum of its proper divisors (30417623545).

2218381678103 is a wasteful number, since it uses less digits than its factorization.

2218381678103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389713.

The product of its (nonzero) digits is 774144, while the sum is 50.

The spelling of 2218381678103 in words is "two trillion, two hundred eighteen billion, three hundred eighty-one million, six hundred seventy-eight thousand, one hundred three".