18324073956160 has 224 divisors, whose sum is σ = 50337866304000. Its totient is φ = 6223330123776.

The previous prime is 18324073956119. The next prime is 18324073956211. The reversal of 18324073956160 is 6165937042381.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (224).

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, 1376811586 + ... + 1376824894.

It is a 1-persistent number, because it is pandigital, but 2⋅18324073956160 = 36648147912320 is not.

Almost surely, 2^{18324073956160} is an apocalyptic number.

18324073956160 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 18324073956160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25168933152000).

18324073956160 is an abundant number, since it is smaller than the sum of its proper divisors (32013792347840).

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

18324073956160 is a wasteful number, since it uses less digits than its factorization.

18324073956160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19081 (or 19071 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 18324073956160 in words is "eighteen trillion, three hundred twenty-four billion, seventy-three million, nine hundred fifty-six thousand, one hundred sixty".