218190625142 has 16 divisors (see below), whose sum is σ = 374230698912. Its totient is φ = 93462861120.

The previous prime is 218190625139. The next prime is 218190625171. The reversal of 218190625142 is 241526091812.

218190625142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 218190625142.

It is a congruent number.

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, 3921959 + ... + 3977202.

It is an arithmetic number, because the mean of its divisors is an integer number (23389418682).

Almost surely, 2^218190625142 is an apocalyptic number.

218190625142 is a deficient number, since it is larger than the sum of its proper divisors (156040073770).

218190625142 is a wasteful number, since it uses less digits than its factorization.

218190625142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7901143.

The product of its (nonzero) digits is 69120, while the sum is 41.

The spelling of 218190625142 in words is "two hundred eighteen billion, one hundred ninety million, six hundred twenty-five thousand, one hundred forty-two".