18852325643806 has 16 divisors (see below), whose sum is σ = 29281442923440. Its totient is φ = 9092463206400.

The previous prime is 18852325643771. The next prime is 18852325643897. The reversal of 18852325643806 is 60834652325881.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154572771 + ... + 154694686.

It is an arithmetic number, because the mean of its divisors is an integer number (1830090182715).

Almost surely, 2^{18852325643806} is an apocalyptic number.

18852325643806 is a deficient number, since it is larger than the sum of its proper divisors (10429117279634).

18852325643806 is a wasteful number, since it uses less digits than its factorization.

18852325643806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309268539.

The product of its (nonzero) digits is 66355200, while the sum is 61.

The spelling of 18852325643806 in words is "eighteen trillion, eight hundred fifty-two billion, three hundred twenty-five million, six hundred forty-three thousand, eight hundred six".