66033484441 has 4 divisors (see below), whose sum is σ = 66087923812. Its totient is φ = 65979045072.

The previous prime is 66033484399. The next prime is 66033484463. The reversal of 66033484441 is 14448433066.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26341290000 + 39692194441 = 162300^2 + 199229^2 .

It is a cyclic number.

It is not a de Polignac number, because 66033484441 - 2¹¹ = 66033482393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66033484471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27217866 + ... + 27220291.

It is an arithmetic number, because the mean of its divisors is an integer number (16521980953).

Almost surely, 2^66033484441 is an apocalyptic number.

It is an amenable number.

66033484441 is a deficient number, since it is larger than the sum of its proper divisors (54439371).

66033484441 is a wasteful number, since it uses less digits than its factorization.

66033484441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54439370.

The product of its (nonzero) digits is 663552, while the sum is 43.

The spelling of 66033484441 in words is "sixty-six billion, thirty-three million, four hundred eighty-four thousand, four hundred forty-one".