655245388218 has 8 divisors (see below), whose sum is σ = 1310490776448. Its totient is φ = 218415129404.

The previous prime is 655245388199. The next prime is 655245388241. The reversal of 655245388218 is 812883542556.

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

655245388218 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54603782346 + ... + 54603782357.

It is an arithmetic number, because the mean of its divisors is an integer number (163811347056).

Almost surely, 2^655245388218 is an apocalyptic number.

655245388218 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.

655245388218 is a wasteful number, since it uses less digits than its factorization.

655245388218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109207564708.

The product of its digits is 18432000, while the sum is 57.

The spelling of 655245388218 in words is "six hundred fifty-five billion, two hundred forty-five million, three hundred eighty-eight thousand, two hundred eighteen".