18708181858062 has 12 divisors (see below), whose sum is σ = 40534394025840. Its totient is φ = 6236060619348.

The previous prime is 18708181858061. The next prime is 18708181858081. The reversal of 18708181858062 is 26085818180781.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18708181858061) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 519671718262 + ... + 519671718297.

It is an arithmetic number, because the mean of its divisors is an integer number (3377866168820).

Almost surely, 2^{18708181858062} is an apocalyptic number.

18708181858062 is an abundant number, since it is smaller than the sum of its proper divisors (21826212167778).

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

18708181858062 is a wasteful number, since it uses less digits than its factorization.

18708181858062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039343436567 (or 1039343436564 counting only the distinct ones).

The product of its (nonzero) digits is 13762560, while the sum is 63.

The spelling of 18708181858062 in words is "eighteen trillion, seven hundred eight billion, one hundred eighty-one million, eight hundred fifty-eight thousand, sixty-two".