66843484282 has 4 divisors (see below), whose sum is σ = 100265226426. Its totient is φ = 33421742140.

The previous prime is 66843484277. The next prime is 66843484283. The reversal of 66843484282 is 28248434866.

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 only one way, i.e., 55177540201 + 11665944081 = 234899^2 + 108009^2 .

It is not an unprimeable number, because it can be changed into a prime (66843484283) 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 as a sum of consecutive naturals, namely, 16710871069 + ... + 16710871072.

Almost surely, 2^66843484282 is an apocalyptic number.

66843484282 is a deficient number, since it is larger than the sum of its proper divisors (33421742144).

66843484282 is a wasteful number, since it uses less digits than its factorization.

66843484282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33421742143.

The product of its digits is 14155776, while the sum is 55.

It can be divided in two parts, 66 and 843484282, that added together give a palindrome (843484348).

The spelling of 66843484282 in words is "sixty-six billion, eight hundred forty-three million, four hundred eighty-four thousand, two hundred eighty-two".