218338355005 has 16 divisors (see below), whose sum is σ = 268729104384. Its totient is φ = 170220534400.

The previous prime is 218338354987. The next prime is 218338355041. The reversal of 218338355005 is 500553833812.

It is not a de Polignac number, because 218338355005 - 2¹³ = 218338346813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1939021 + ... + 2048530.

It is an arithmetic number, because the mean of its divisors is an integer number (16795569024).

Almost surely, 2^218338355005 is an apocalyptic number.

It is an amenable number.

218338355005 is a deficient number, since it is larger than the sum of its proper divisors (50390749379).

218338355005 is a wasteful number, since it uses less digits than its factorization.

218338355005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3987836.

The product of its (nonzero) digits is 432000, while the sum is 43.

The spelling of 218338355005 in words is "two hundred eighteen billion, three hundred thirty-eight million, three hundred fifty-five thousand, five".