18874125336 has 128 divisors (see below), whose sum is σ = 52189401600. Its totient is φ = 5640391680.

The previous prime is 18874125293. The next prime is 18874125353. The reversal of 18874125336 is 63352147881.

It is a super-2 number, since 2×18874125336² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11817690 + ... + 11819286.

It is an arithmetic number, because the mean of its divisors is an integer number (407729700).

Almost surely, 2^18874125336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18874125336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26094700800).

18874125336 is an abundant number, since it is smaller than the sum of its proper divisors (33315276264).

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

18874125336 is a wasteful number, since it uses less digits than its factorization.

18874125336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2209 (or 2205 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The spelling of 18874125336 in words is "eighteen billion, eight hundred seventy-four million, one hundred twenty-five thousand, three hundred thirty-six".