18065083760640 has 3584 divisors, whose sum is σ = 83177617582080. Its totient is φ = 3669177139200.

The previous prime is 18065083760557. The next prime is 18065083760653. The reversal of 18065083760640 is 4606738056081.

18065083760640 is a `hidden beast` number, since 1 + 8 + 0 + 6 + 508 + 3 + 76 + 0 + 64 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (3584).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 440611799020 + ... + 440611799060.

It is an arithmetic number, because the mean of its divisors is an integer number (23208040620).

Almost surely, 2^{18065083760640} is an apocalyptic number.

18065083760640 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 18065083760640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41588808791040).

18065083760640 is an abundant number, since it is smaller than the sum of its proper divisors (65112533821440).

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

18065083760640 is an frugal number, since it uses more digits than its factorization.

18065083760640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 106 counting only the distinct ones).

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

The spelling of 18065083760640 in words is "eighteen trillion, sixty-five billion, eighty-three million, seven hundred sixty thousand, six hundred forty".