18834332436108 has 720 divisors, whose sum is σ = 60914854877184. Its totient is φ = 4967903819520.

The previous prime is 18834332436037. The next prime is 18834332436167. The reversal of 18834332436108 is 80163423343881.

It is a happy number.

18834332436108 is a `hidden beast` number, since 1 + 8 + 83 + 433 + 24 + 3 + 6 + 108 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 10120543098 + ... + 10120544958.

Almost surely, 2^{18834332436108} is an apocalyptic number.

18834332436108 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 18834332436108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30457427438592).

18834332436108 is an abundant number, since it is smaller than the sum of its proper divisors (42080522441076).

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

18834332436108 is a wasteful number, since it uses less digits than its factorization.

18834332436108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2232 (or 2202 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 54.

Adding to 18834332436108 its reverse (80163423343881), we get a palindrome (98997755779989).

The spelling of 18834332436108 in words is "eighteen trillion, eight hundred thirty-four billion, three hundred thirty-two million, four hundred thirty-six thousand, one hundred eight".