218914194904 has 16 divisors (see below), whose sum is σ = 411990008400. Its totient is φ = 109050192672.

The previous prime is 218914194827. The next prime is 218914194923. The reversal of 218914194904 is 409491419812.

It is a happy number.

218914194904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 50860812 + ... + 50865115.

It is an arithmetic number, because the mean of its divisors is an integer number (25749375525).

Almost surely, 2^218914194904 is an apocalyptic number.

It is an amenable number.

218914194904 is a deficient number, since it is larger than the sum of its proper divisors (193075813496).

218914194904 is a wasteful number, since it uses less digits than its factorization.

218914194904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101726202 (or 101726198 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 52.

The spelling of 218914194904 in words is "two hundred eighteen billion, nine hundred fourteen million, one hundred ninety-four thousand, nine hundred four".