18398141134018 has 16 divisors (see below), whose sum is σ = 28487585263104. Its totient is φ = 8902282315680.

The previous prime is 18398141134013. The next prime is 18398141134031. The reversal of 18398141134018 is 81043114189381.

It is not an unprimeable number, because it can be changed into a prime (18398141134013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14394571 + ... + 15620497.

It is an arithmetic number, because the mean of its divisors is an integer number (1780474078944).

Almost surely, 2^{18398141134018} is an apocalyptic number.

18398141134018 is a deficient number, since it is larger than the sum of its proper divisors (10089444129086).

18398141134018 is a wasteful number, since it uses less digits than its factorization.

18398141134018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468017.

The product of its (nonzero) digits is 663552, while the sum is 52.

The spelling of 18398141134018 in words is "eighteen trillion, three hundred ninety-eight billion, one hundred forty-one million, one hundred thirty-four thousand, eighteen".