218748378696 has 32 divisors (see below), whose sum is σ = 579039827040. Its totient is φ = 68626942208.

The previous prime is 218748378683. The next prime is 218748378743. The reversal of 218748378696 is 696873847812.

It is a self number, because there is not a number n which added to its sum of digits gives 218748378696.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268073586 + ... + 268074401.

It is an arithmetic number, because the mean of its divisors is an integer number (18094994595).

Almost surely, 2^218748378696 is an apocalyptic number.

It is an amenable number.

218748378696 is an abundant number, since it is smaller than the sum of its proper divisors (360291448344).

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

218748378696 is a wasteful number, since it uses less digits than its factorization.

218748378696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536148013 (or 536148009 counting only the distinct ones).

The product of its digits is 195084288, while the sum is 69.

The spelling of 218748378696 in words is "two hundred eighteen billion, seven hundred forty-eight million, three hundred seventy-eight thousand, six hundred ninety-six".