218075196806 has 8 divisors (see below), whose sum is σ = 335953681680. Its totient is φ = 106090636248.

The previous prime is 218075196793. The next prime is 218075196853. The reversal of 218075196806 is 608691570812.

218075196806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1473480986 + ... + 1473481133.

It is an arithmetic number, because the mean of its divisors is an integer number (41994210210).

Almost surely, 2^218075196806 is an apocalyptic number.

218075196806 is a deficient number, since it is larger than the sum of its proper divisors (117878484874).

218075196806 is a wasteful number, since it uses less digits than its factorization.

218075196806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2946962158.

The product of its (nonzero) digits is 1451520, while the sum is 53.

The spelling of 218075196806 in words is "two hundred eighteen billion, seventy-five million, one hundred ninety-six thousand, eight hundred six".