218199886848 has 264 divisors, whose sum is σ = 648325708992. Its totient is φ = 70646956032.

The previous prime is 218199886789. The next prime is 218199886859. The reversal of 218199886848 is 848688991812.

It is a super-2 number, since 2×218199886848² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59339986 + ... + 59343662.

Almost surely, 2^218199886848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 218199886848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324162854496).

218199886848 is an abundant number, since it is smaller than the sum of its proper divisors (430125822144).

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

218199886848 is a wasteful number, since it uses less digits than its factorization.

218199886848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3887 (or 3866 counting only the distinct ones).

The product of its digits is 127401984, while the sum is 72.

The spelling of 218199886848 in words is "two hundred eighteen billion, one hundred ninety-nine million, eight hundred eighty-six thousand, eight hundred forty-eight".