18348435797148 has 72 divisors (see below), whose sum is σ = 47461229223408. Its totient is φ = 5973677918208.

The previous prime is 18348435797089. The next prime is 18348435797233. The reversal of 18348435797148 is 84179753484381.

It is a happy number.

18348435797148 is a `hidden beast` number, since 1 + 8 + 3 + 4 + 8 + 4 + 3 + 579 + 7 + 1 + 48 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42287590 + ... + 42719282.

It is an arithmetic number, because the mean of its divisors is an integer number (659183739214).

Almost surely, 2^{18348435797148} is an apocalyptic number.

18348435797148 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

18348435797148 is an abundant number, since it is smaller than the sum of its proper divisors (29112793426260).

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

18348435797148 is a wasteful number, since it uses less digits than its factorization.

18348435797148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459203 (or 459198 counting only the distinct ones).

The product of its digits is 650280960, while the sum is 72.

The spelling of 18348435797148 in words is "eighteen trillion, three hundred forty-eight billion, four hundred thirty-five million, seven hundred ninety-seven thousand, one hundred forty-eight".