18483638206530 has 64 divisors (see below), whose sum is σ = 50703550030080. Its totient is φ = 4224367344384.

The previous prime is 18483638206499. The next prime is 18483638206531. The reversal of 18483638206530 is 3560283638481.

It is not an unprimeable number, because it can be changed into a prime (18483638206531) 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 31 ways as a sum of consecutive naturals, for example, 2918449 + ... + 6744228.

It is an arithmetic number, because the mean of its divisors is an integer number (792242969220).

Almost surely, 2^{18483638206530} is an apocalyptic number.

18483638206530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18483638206530 is an abundant number, since it is smaller than the sum of its proper divisors (32219911823550).

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

18483638206530 is a wasteful number, since it uses less digits than its factorization.

18483638206530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9671803.

The product of its (nonzero) digits is 19906560, while the sum is 57.

The spelling of 18483638206530 in words is "eighteen trillion, four hundred eighty-three billion, six hundred thirty-eight million, two hundred six thousand, five hundred thirty".