18205441067 has 16 divisors (see below), whose sum is σ = 20203180800. Its totient is φ = 16265953440.

The previous prime is 18205441057. The next prime is 18205441139. The reversal of 18205441067 is 76014450281.

It is not a de Polignac number, because 18205441067 - 2⁶ = 18205441003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18205441067.

It is not an unprimeable number, because it can be changed into a prime (18205441057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295409 + ... + 351677.

It is an arithmetic number, because the mean of its divisors is an integer number (1262698800).

Almost surely, 2^18205441067 is an apocalyptic number.

18205441067 is a deficient number, since it is larger than the sum of its proper divisors (1997739733).

18205441067 is a wasteful number, since it uses less digits than its factorization.

18205441067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56786.

The product of its (nonzero) digits is 53760, while the sum is 38.

The spelling of 18205441067 in words is "eighteen billion, two hundred five million, four hundred forty-one thousand, sixty-seven".