18365488361196 has 12 divisors (see below), whose sum is σ = 42852806176152. Its totient is φ = 6121829453728.

The previous prime is 18365488361159. The next prime is 18365488361249. The reversal of 18365488361196 is 69116388456381.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 18365488361196.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 765228681705 + ... + 765228681728.

It is an arithmetic number, because the mean of its divisors is an integer number (3571067181346).

Almost surely, 2^{18365488361196} is an apocalyptic number.

It is an amenable number.

18365488361196 is an abundant number, since it is smaller than the sum of its proper divisors (24487317814956).

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

18365488361196 is a wasteful number, since it uses less digits than its factorization.

18365488361196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530457363440 (or 1530457363438 counting only the distinct ones).

The product of its digits is 179159040, while the sum is 69.

The spelling of 18365488361196 in words is "eighteen trillion, three hundred sixty-five billion, four hundred eighty-eight million, three hundred sixty-one thousand, one hundred ninety-six".