2066443543018 has 8 divisors (see below), whose sum is σ = 3165615640512. Its totient is φ = 1011238329516.

The previous prime is 2066443542997. The next prime is 2066443543103. The reversal of 2066443543018 is 8103453446602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10991720880 + ... + 10991721067.

It is an arithmetic number, because the mean of its divisors is an integer number (395701955064).

Almost surely, 2^{2066443543018} is an apocalyptic number.

2066443543018 is a deficient number, since it is larger than the sum of its proper divisors (1099172097494).

2066443543018 is a wasteful number, since it uses less digits than its factorization.

2066443543018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21983441996.

The product of its (nonzero) digits is 1658880, while the sum is 46.

The spelling of 2066443543018 in words is "two trillion, sixty-six billion, four hundred forty-three million, five hundred forty-three thousand, eighteen".