9918909018108 has 72 divisors (see below), whose sum is σ = 25938307274880. Its totient is φ = 3192178066560.

The previous prime is 9918909018101. The next prime is 9918909018229. The reversal of 9918909018108 is 8018109098199.

It is a super-3 number, since 3×9918909018108³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9918909018101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31829973 + ... + 32140083.

Almost surely, 2^{9918909018108} is an apocalyptic number.

It is an amenable number.

9918909018108 is an abundant number, since it is smaller than the sum of its proper divisors (16019398256772).

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

9918909018108 is a wasteful number, since it uses less digits than its factorization.

9918909018108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340787 (or 340782 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 63.

The spelling of 9918909018108 in words is "nine trillion, nine hundred eighteen billion, nine hundred nine million, eighteen thousand, one hundred eight".