18216992241045 has 512 divisors, whose sum is σ = 39199818792960. Its totient is φ = 7935599738880.

The previous prime is 18216992240971. The next prime is 18216992241053. The reversal of 18216992241045 is 54014229961281.

18216992241045 is a `hidden beast` number, since 1 + 8 + 2 + 169 + 9 + 22 + 410 + 45 = 666.

It is not a de Polignac number, because 18216992241045 - 2⁹ = 18216992240533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18216992240982 and 18216992241000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 10059078190 + ... + 10059080000.

It is an arithmetic number, because the mean of its divisors is an integer number (76562146080).

Almost surely, 2^{18216992241045} is an apocalyptic number.

18216992241045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18216992241045 is an abundant number, since it is smaller than the sum of its proper divisors (20982826551915).

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

18216992241045 is a wasteful number, since it uses less digits than its factorization.

18216992241045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122 (or 2116 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The spelling of 18216992241045 in words is "eighteen trillion, two hundred sixteen billion, nine hundred ninety-two million, two hundred forty-one thousand, forty-five".