9918238266112 has 36 divisors (see below), whose sum is σ = 21597527366856. Its totient is φ = 4508290119680.

The previous prime is 9918238266073. The next prime is 9918238266151. The reversal of 9918238266112 is 2116628328199.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9918238266073) and next prime (9918238266151).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1761048013 + ... + 1761053644.

It is an arithmetic number, because the mean of its divisors is an integer number (599931315746).

Almost surely, 2^{9918238266112} is an apocalyptic number.

It is an amenable number.

9918238266112 is an abundant number, since it is smaller than the sum of its proper divisors (11679289100744).

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

9918238266112 is a wasteful number, since it uses less digits than its factorization.

9918238266112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3522101684 (or 3522101670 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 58.

The spelling of 9918238266112 in words is "nine trillion, nine hundred eighteen billion, two hundred thirty-eight million, two hundred sixty-six thousand, one hundred twelve".