218710364022085 has 16 divisors (see below), whose sum is σ = 282643104481920. Its totient is φ = 161508038368320.

The previous prime is 218710364022083. The next prime is 218710364022127. The reversal of 218710364022085 is 580220463017812.

It is not a de Polignac number, because 218710364022085 - 2¹ = 218710364022083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218710364022083) 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, 2790931 + ... + 21100000.

It is an arithmetic number, because the mean of its divisors is an integer number (17665194030120).

Almost surely, 2^{218710364022085} is an apocalyptic number.

It is an amenable number.

218710364022085 is a deficient number, since it is larger than the sum of its proper divisors (63932740459835).

218710364022085 is a wasteful number, since it uses less digits than its factorization.

218710364022085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24031788.

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 218710364022085 in words is "two hundred eighteen trillion, seven hundred ten billion, three hundred sixty-four million, twenty-two thousand, eighty-five".