18343343088 has 240 divisors, whose sum is σ = 63333803520. Its totient is φ = 4840045056.

The previous prime is 18343342993. The next prime is 18343343167. The reversal of 18343343088 is 88034334381.

18343343088 is a `hidden beast` number, since 1 + 8 + 3 + 4 + 334 + 308 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 658695 + ... + 685977.

It is an arithmetic number, because the mean of its divisors is an integer number (263890848).

Almost surely, 2^18343343088 is an apocalyptic number.

18343343088 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18343343088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31666901760).

18343343088 is an abundant number, since it is smaller than the sum of its proper divisors (44990460432).

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

18343343088 is a wasteful number, since it uses less digits than its factorization.

18343343088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27356 (or 27347 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The spelling of 18343343088 in words is "eighteen billion, three hundred forty-three million, three hundred forty-three thousand, eighty-eight".