66323026106 has 4 divisors (see below), whose sum is σ = 99484539162. Its totient is φ = 33161513052.

The previous prime is 66323026093. The next prime is 66323026127. The reversal of 66323026106 is 60162032366.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60162032366 = 2 ⋅30081016183.

It can be written as a sum of positive squares in only one way, i.e., 49619790025 + 16703236081 = 222755^2 + 129241^2 .

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 as a sum of consecutive naturals, namely, 16580756525 + ... + 16580756528.

Almost surely, 2^66323026106 is an apocalyptic number.

66323026106 is a deficient number, since it is larger than the sum of its proper divisors (33161513056).

66323026106 is a wasteful number, since it uses less digits than its factorization.

66323026106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33161513055.

The product of its (nonzero) digits is 46656, while the sum is 35.

The spelling of 66323026106 in words is "sixty-six billion, three hundred twenty-three million, twenty-six thousand, one hundred six".