18673441218885 has 32 divisors (see below), whose sum is σ = 30231201869568. Its totient is φ = 9841953484800.

The previous prime is 18673441218827. The next prime is 18673441218893. The reversal of 18673441218885 is 58881214437681.

It is not a de Polignac number, because 18673441218885 - 2⁸ = 18673441218629 is a prime.

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, 20921262 + ... + 21795551.

It is an arithmetic number, because the mean of its divisors is an integer number (944725058424).

Almost surely, 2^{18673441218885} is an apocalyptic number.

18673441218885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18673441218885 is a deficient number, since it is larger than the sum of its proper divisors (11557760650683).

18673441218885 is a wasteful number, since it uses less digits than its factorization.

18673441218885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42717165.

The product of its digits is 82575360, while the sum is 66.

The spelling of 18673441218885 in words is "eighteen trillion, six hundred seventy-three billion, four hundred forty-one million, two hundred eighteen thousand, eight hundred eighty-five".