218085260086 has 16 divisors (see below), whose sum is σ = 328601271744. Its totient is φ = 108551597704.

The previous prime is 218085259993. The next prime is 218085260089. The reversal of 218085260086 is 680062580812.

It is a super-2 number, since 2×218085260086² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218085260089) 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, 6722541 + ... + 6754903.

It is an arithmetic number, because the mean of its divisors is an integer number (20537579484).

Almost surely, 2^218085260086 is an apocalyptic number.

218085260086 is a deficient number, since it is larger than the sum of its proper divisors (110516011658).

218085260086 is a wasteful number, since it uses less digits than its factorization.

218085260086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47435.

The product of its (nonzero) digits is 368640, while the sum is 46.

The spelling of 218085260086 in words is "two hundred eighteen billion, eighty-five million, two hundred sixty thousand, eighty-six".