218147775060 has 48 divisors (see below), whose sum is σ = 611036104896. Its totient is φ = 58151565312.

The previous prime is 218147775011. The next prime is 218147775067. The reversal of 218147775060 is 60577741812.

218147775060 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218147775067) 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, 495154 + ... + 825513.

It is an arithmetic number, because the mean of its divisors is an integer number (12729918852).

Almost surely, 2^218147775060 is an apocalyptic number.

218147775060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

218147775060 is an abundant number, since it is smaller than the sum of its proper divisors (392888329836).

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

218147775060 is a wasteful number, since it uses less digits than its factorization.

218147775060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323432 (or 1323430 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 48.

The spelling of 218147775060 in words is "two hundred eighteen billion, one hundred forty-seven million, seven hundred seventy-five thousand, sixty".