218315811060 has 48 divisors (see below), whose sum is σ = 679204747200. Its totient is φ = 58217549472.

The previous prime is 218315810953. The next prime is 218315811067. The reversal of 218315811060 is 60118513812.

218315811060 is a `hidden beast` number, since 2 + 1 + 8 + 3 + 1 + 581 + 10 + 60 = 666.

218315811060 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218315811067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202143730 + ... + 202144809.

It is an arithmetic number, because the mean of its divisors is an integer number (14150098900).

Almost surely, 2^218315811060 is an apocalyptic number.

218315811060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

218315811060 is an abundant number, since it is smaller than the sum of its proper divisors (460888936140).

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

218315811060 is a wasteful number, since it uses less digits than its factorization.

218315811060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404288557 (or 404288549 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The spelling of 218315811060 in words is "two hundred eighteen billion, three hundred fifteen million, eight hundred eleven thousand, sixty".