18520366328996 has 192 divisors, whose sum is σ = 39545718912000. Its totient is φ = 7417769508864.

The previous prime is 18520366328987. The next prime is 18520366329037. The reversal of 18520366328996 is 69982366302581.

It is a hoax number, since the sum of its digits (68) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11956336430 + ... + 11956337978.

It is an arithmetic number, because the mean of its divisors is an integer number (205967286000).

Almost surely, 2^{18520366328996} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18520366328996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19772859456000).

18520366328996 is an abundant number, since it is smaller than the sum of its proper divisors (21025352583004).

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

18520366328996 is a wasteful number, since it uses less digits than its factorization.

18520366328996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2878 (or 2876 counting only the distinct ones).

The product of its (nonzero) digits is 201553920, while the sum is 68.

The spelling of 18520366328996 in words is "eighteen trillion, five hundred twenty billion, three hundred sixty-six million, three hundred twenty-eight thousand, nine hundred ninety-six".