18529741866 has 32 divisors (see below), whose sum is σ = 37527336000. Its totient is φ = 6098690304.

The previous prime is 18529741861. The next prime is 18529741897. The reversal of 18529741866 is 66814792581.

18529741866 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18529741861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 953010 + ... + 972258.

It is an arithmetic number, because the mean of its divisors is an integer number (1172729250).

Almost surely, 2^18529741866 is an apocalyptic number.

18529741866 is an abundant number, since it is smaller than the sum of its proper divisors (18997594134).

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

18529741866 is a wasteful number, since it uses less digits than its factorization.

18529741866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21270.

The product of its digits is 5806080, while the sum is 57.

The spelling of 18529741866 in words is "eighteen billion, five hundred twenty-nine million, seven hundred forty-one thousand, eight hundred sixty-six".