18114994998828 has 432 divisors, whose sum is σ = 60368102296320. Its totient is φ = 4458555788544.

The previous prime is 18114994998797. The next prime is 18114994998889. The reversal of 18114994998828 is 82889949941181.

18114994998828 is a `hidden beast` number, since 1 + 8 + 1 + 1 + 49 + 9 + 499 + 8 + 82 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 79122303 + ... + 79350921.

Almost surely, 2^{18114994998828} is an apocalyptic number.

18114994998828 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 18114994998828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30184051148160).

18114994998828 is an abundant number, since it is smaller than the sum of its proper divisors (42253107297492).

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

18114994998828 is a wasteful number, since it uses less digits than its factorization.

18114994998828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228754 (or 228730 counting only the distinct ones).

The product of its digits is 859963392, while the sum is 81.

The spelling of 18114994998828 in words is "eighteen trillion, one hundred fourteen billion, nine hundred ninety-four million, nine hundred ninety-eight thousand, eight hundred twenty-eight".