218113130946 has 8 divisors (see below), whose sum is σ = 436226261904. Its totient is φ = 72704376980.

The previous prime is 218113130933. The next prime is 218113131001. The reversal of 218113130946 is 649031311812.

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

218113130946 is an admirable number.

It is a Curzon 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, 18176094240 + ... + 18176094251.

It is an arithmetic number, because the mean of its divisors is an integer number (54528282738).

Almost surely, 2^218113130946 is an apocalyptic number.

218113130946 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.

218113130946 is a wasteful number, since it uses less digits than its factorization.

218113130946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36352188496.

The product of its (nonzero) digits is 31104, while the sum is 39.

The spelling of 218113130946 in words is "two hundred eighteen billion, one hundred thirteen million, one hundred thirty thousand, nine hundred forty-six".