18127099088 has 80 divisors (see below), whose sum is σ = 41239027200. Its totient is φ = 7556889600.

The previous prime is 18127099079. The next prime is 18127099097. The reversal of 18127099088 is 88099072181.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18127099079) and next prime (18127099097).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1596953 + ... + 1608263.

It is an arithmetic number, because the mean of its divisors is an integer number (515487840).

Almost surely, 2^18127099088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18127099088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20619513600).

18127099088 is an abundant number, since it is smaller than the sum of its proper divisors (23111928112).

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

18127099088 is a wasteful number, since it uses less digits than its factorization.

18127099088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11716 (or 11710 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 53.

The spelling of 18127099088 in words is "eighteen billion, one hundred twenty-seven million, ninety-nine thousand, eighty-eight".