218836068 has 48 divisors (see below), whose sum is σ = 575016960. Its totient is φ = 64173600.

The previous prime is 218836063. The next prime is 218836081. The reversal of 218836068 is 860638812.

It is not an unprimeable number, because it can be changed into a prime (218836063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22648 + ... + 30831.

It is an arithmetic number, because the mean of its divisors is an integer number (11979520).

Almost surely, 2^218836068 is an apocalyptic number.

It is an amenable number.

218836068 is an abundant number, since it is smaller than the sum of its proper divisors (356180892).

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

218836068 is a wasteful number, since it uses less digits than its factorization.

218836068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53528 (or 53526 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 218836068 is about 14793.1088010600. The cubic root of 218836068 is about 602.6145789676.

The spelling of 218836068 in words is "two hundred eighteen million, eight hundred thirty-six thousand, sixty-eight".