18334854912 has 288 divisors, whose sum is σ = 55330458624. Its totient is φ = 5341593600.

The previous prime is 18334854887. The next prime is 18334854913. The reversal of 18334854912 is 21945843381.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18334854913) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24220038 + ... + 24220794.

It is an arithmetic number, because the mean of its divisors is an integer number (192119648).

Almost surely, 2^18334854912 is an apocalyptic number.

18334854912 is a gapful number since it is divisible by the number (12) 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 18334854912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27665229312).

18334854912 is an abundant number, since it is smaller than the sum of its proper divisors (36995603712).

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

18334854912 is a wasteful number, since it uses less digits than its factorization.

18334854912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895 (or 881 counting only the distinct ones).

The product of its digits is 829440, while the sum is 48.

The spelling of 18334854912 in words is "eighteen billion, three hundred thirty-four million, eight hundred fifty-four thousand, nine hundred twelve".