18006796765013 has 32 divisors (see below), whose sum is σ = 21733177712640. Its totient is φ = 14574288294720.

The previous prime is 18006796764977. The next prime is 18006796765019. The reversal of 18006796765013 is 31056769760081.

It is not a de Polignac number, because 18006796765013 - 2⁸ = 18006796764757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18006796765019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62736956 + ... + 63023322.

It is an arithmetic number, because the mean of its divisors is an integer number (679161803520).

Almost surely, 2^{18006796765013} is an apocalyptic number.

It is an amenable number.

18006796765013 is a deficient number, since it is larger than the sum of its proper divisors (3726380947627).

18006796765013 is a wasteful number, since it uses less digits than its factorization.

18006796765013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287937.

The product of its (nonzero) digits is 11430720, while the sum is 59.

The spelling of 18006796765013 in words is "eighteen trillion, six billion, seven hundred ninety-six million, seven hundred sixty-five thousand, thirteen".