218808060 has 48 divisors (see below), whose sum is σ = 616745472. Its totient is φ = 57960000.

The previous prime is 218808011. The next prime is 218808061. The reversal of 218808060 is 60808812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218808061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3016 + ... + 21135.

It is an arithmetic number, because the mean of its divisors is an integer number (12848864).

Almost surely, 2^218808060 is an apocalyptic number.

218808060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 218808060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308372736).

218808060 is an abundant number, since it is smaller than the sum of its proper divisors (397937412).

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

218808060 is a wasteful number, since it uses less digits than its factorization.

218808060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24314 (or 24312 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 218808060 is about 14792.1621137682. The cubic root of 218808060 is about 602.5888690844.

The spelling of 218808060 in words is "two hundred eighteen million, eight hundred eight thousand, sixty".