218508712060 has 12 divisors (see below), whose sum is σ = 458868295368. Its totient is φ = 87403484816.

The previous prime is 218508712057. The next prime is 218508712063. The reversal of 218508712060 is 60217805812.

It is an interprime number because it is at equal distance from previous prime (218508712057) and next prime (218508712063).

It is a super-2 number, since 2×218508712060² (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 (218508712063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5462717782 + ... + 5462717821.

It is an arithmetic number, because the mean of its divisors is an integer number (38239024614).

Almost surely, 2^218508712060 is an apocalyptic number.

218508712060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

218508712060 is an abundant number, since it is smaller than the sum of its proper divisors (240359583308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

218508712060 is a wasteful number, since it uses less digits than its factorization.

218508712060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10925435612 (or 10925435610 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 40.

The spelling of 218508712060 in words is "two hundred eighteen billion, five hundred eight million, seven hundred twelve thousand, sixty".