18348642322716 has 12 divisors (see below), whose sum is σ = 42813498753032. Its totient is φ = 6116214107568.

The previous prime is 18348642322711. The next prime is 18348642322789. The reversal of 18348642322716 is 61722324684381.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18348642322711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 764526763435 + ... + 764526763458.

Almost surely, 2^{18348642322716} is an apocalyptic number.

It is an amenable number.

18348642322716 is an abundant number, since it is smaller than the sum of its proper divisors (24464856430316).

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

18348642322716 is a wasteful number, since it uses less digits than its factorization.

18348642322716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529053526900 (or 1529053526898 counting only the distinct ones).

The product of its digits is 18579456, while the sum is 57.

The spelling of 18348642322716 in words is "eighteen trillion, three hundred forty-eight billion, six hundred forty-two million, three hundred twenty-two thousand, seven hundred sixteen".