66434100322 has 4 divisors (see below), whose sum is σ = 99651150486. Its totient is φ = 33217050160.

The previous prime is 66434100319. The next prime is 66434100367. The reversal of 66434100322 is 22300143466.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22300143466 = 2 ⋅11150071733.

It can be written as a sum of positive squares in only one way, i.e., 56843619561 + 9590480761 = 238419^2 + 97931^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16608525079 + ... + 16608525082.

Almost surely, 2^66434100322 is an apocalyptic number.

66434100322 is a deficient number, since it is larger than the sum of its proper divisors (33217050164).

66434100322 is a wasteful number, since it uses less digits than its factorization.

66434100322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33217050163.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 66434100322 its reverse (22300143466), we get a palindrome (88734243788).

The spelling of 66434100322 in words is "sixty-six billion, four hundred thirty-four million, one hundred thousand, three hundred twenty-two".