218866096333 has 6 divisors (see below), whose sum is σ = 220266047306. Its totient is φ = 217466220192.

The previous prime is 218866096307. The next prime is 218866096381. The reversal of 218866096333 is 333690668812.

It can be written as a sum of positive squares in 3 ways, for example, as 41556045609 + 177310050724 = 203853^2 + 421082^2 .

It is a de Polignac number, because none of the positive numbers 2^k-218866096333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218866096433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5843241 + ... + 5880577.

Almost surely, 2^218866096333 is an apocalyptic number.

It is an amenable number.

218866096333 is a deficient number, since it is larger than the sum of its proper divisors (1399950973).

218866096333 is an frugal number, since it uses more digits than its factorization.

218866096333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74831 (or 37494 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 55.

The spelling of 218866096333 in words is "two hundred eighteen billion, eight hundred sixty-six million, ninety-six thousand, three hundred thirty-three".