18366845760 has 168 divisors, whose sum is σ = 63368444256. Its totient is φ = 4882775040.

The previous prime is 18366845741. The next prime is 18366845821. The reversal of 18366845760 is 6754866381.

18366845760 is a `hidden beast` number, since 1 + 8 + 3 + 6 + 68 + 4 + 576 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 18366845697 and 18366845706.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 943647 + ... + 962913.

Almost surely, 2^18366845760 is an apocalyptic number.

18366845760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18366845760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31684222128).

18366845760 is an abundant number, since it is smaller than the sum of its proper divisors (45001598496).

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

18366845760 is a wasteful number, since it uses less digits than its factorization.

18366845760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19621 (or 19608 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 18366845760 in words is "eighteen billion, three hundred sixty-six million, eight hundred forty-five thousand, seven hundred sixty".