218676102781056 has 128 divisors (see below), whose sum is σ = 620555713324800. Its totient is φ = 68024930485248.

The previous prime is 218676102781039. The next prime is 218676102781079. The reversal of 218676102781056 is 650187201676812.

218676102781056 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223183210 + ... + 224160873.

It is an arithmetic number, because the mean of its divisors is an integer number (4848091510350).

Almost surely, 2^{218676102781056} is an apocalyptic number.

It is an amenable number.

218676102781056 is an abundant number, since it is smaller than the sum of its proper divisors (401879610543744).

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

218676102781056 is a wasteful number, since it uses less digits than its factorization.

218676102781056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447344186 (or 447344174 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 60.

The spelling of 218676102781056 in words is "two hundred eighteen trillion, six hundred seventy-six billion, one hundred two million, seven hundred eighty-one thousand, fifty-six".