2218381678153 has 16 divisors (see below), whose sum is σ = 2317924210176. Its totient is φ = 2119098421440.

The previous prime is 2218381678003. The next prime is 2218381678259. The reversal of 2218381678153 is 3518761838122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2218381678153 - 2⁹ = 2218381677641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2218381678094 and 2218381678103.

It is not an unprimeable number, because it can be changed into a prime (2218381078153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64263168 + ... + 64297678.

It is an arithmetic number, because the mean of its divisors is an integer number (144870263136).

Almost surely, 2^{2218381678153} is an apocalyptic number.

2218381678153 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2218381678153 is a deficient number, since it is larger than the sum of its proper divisors (99542532023).

2218381678153 is a wasteful number, since it uses less digits than its factorization.

2218381678153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38184.

The product of its digits is 3870720, while the sum is 55.

The spelling of 2218381678153 in words is "two trillion, two hundred eighteen billion, three hundred eighty-one million, six hundred seventy-eight thousand, one hundred fifty-three".