218168484443010 has 256 divisors, whose sum is σ = 633683528640000. Its totient is φ = 53201960469504.

The previous prime is 218168484442943. The next prime is 218168484443011. The reversal of 218168484443010 is 10344484861812.

218168484443010 is a `hidden beast` number, since 2 + 1 + 8 + 168 + 4 + 8 + 44 + 430 + 1 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (218168484443011) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 582544896 + ... + 582919284.

It is an arithmetic number, because the mean of its divisors is an integer number (2475326283750).

Almost surely, 2^{218168484443010} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 218168484443010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316841764320000).

218168484443010 is an abundant number, since it is smaller than the sum of its proper divisors (415515044196990).

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

218168484443010 is a wasteful number, since it uses less digits than its factorization.

218168484443010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378370 (or 378364 counting only the distinct ones).

The product of its (nonzero) digits is 4718592, while the sum is 54.

The spelling of 218168484443010 in words is "two hundred eighteen trillion, one hundred sixty-eight billion, four hundred eighty-four million, four hundred forty-three thousand, ten".