18541855679346 has 48 divisors (see below), whose sum is σ = 40610257051104. Its totient is φ = 6113824097472.

The previous prime is 18541855679341. The next prime is 18541855679363. The reversal of 18541855679346 is 64397655814581.

18541855679346 is a `hidden beast` number, since 1 + 8 + 5 + 4 + 18 + 5 + 567 + 9 + 3 + 46 = 666.

It is a hoax number, since the sum of its digits (72) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (18541855679341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12586576 + ... + 13982331.

It is an arithmetic number, because the mean of its divisors is an integer number (846047021898).

Almost surely, 2^{18541855679346} is an apocalyptic number.

18541855679346 is an abundant number, since it is smaller than the sum of its proper divisors (22068401371758).

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

18541855679346 is a wasteful number, since it uses less digits than its factorization.

18541855679346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26569335 (or 26569332 counting only the distinct ones).

The product of its digits is 870912000, while the sum is 72.

The spelling of 18541855679346 in words is "eighteen trillion, five hundred forty-one billion, eight hundred fifty-five million, six hundred seventy-nine thousand, three hundred forty-six".