66343402322 has 6 divisors (see below), whose sum is σ = 99515649879. Its totient is φ = 33171519030.

The previous prime is 66343402313. The next prime is 66343402331. The reversal of 66343402322 is 22320434366.

It is an interprime number because it is at equal distance from previous prime (66343402313) and next prime (66343402331).

It can be written as a sum of positive squares in only one way, i.e., 33171701161 + 33171701161 = 182131^2 + 182131^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=182131.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 273197 + ... + 455327.

Almost surely, 2^66343402322 is an apocalyptic number.

66343402322 is a deficient number, since it is larger than the sum of its proper divisors (33172247557).

66343402322 is an frugal number, since it uses more digits than its factorization.

66343402322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364264 (or 182133 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 35.

Adding to 66343402322 its reverse (22320434366), we get a palindrome (88663836688).

The spelling of 66343402322 in words is "sixty-six billion, three hundred forty-three million, four hundred two thousand, three hundred twenty-two".