2068788664218 has 8 divisors (see below), whose sum is σ = 4137577328448. Its totient is φ = 689596221404.

The previous prime is 2068788664121. The next prime is 2068788664219. The reversal of 2068788664218 is 8124668878602.

It is a sphenic number, since it is the product of 3 distinct primes.

2068788664218 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2068788664219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172399055346 + ... + 172399055357.

It is an arithmetic number, because the mean of its divisors is an integer number (517197166056).

Almost surely, 2^{2068788664218} is an apocalyptic number.

2068788664218 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2068788664218 is a wasteful number, since it uses less digits than its factorization.

2068788664218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344798110708.

The product of its (nonzero) digits is 99090432, while the sum is 66.

The spelling of 2068788664218 in words is "two trillion, sixty-eight billion, seven hundred eighty-eight million, six hundred sixty-four thousand, two hundred eighteen".