66043922229 has 12 divisors (see below), whose sum is σ = 95400333600. Its totient is φ = 44027639784.

The previous prime is 66043922221. The next prime is 66043922291. The reversal of 66043922229 is 92222934066.

66043922229 is a `hidden beast` number, since 6 + 604 + 39 + 2 + 2 + 2 + 2 + 9 = 666.

It is not a de Polignac number, because 66043922229 - 2³ = 66043922221 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66043922221) 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 in 11 ways as a sum of consecutive naturals, for example, 149512 + ... + 392990.

It is an arithmetic number, because the mean of its divisors is an integer number (7950027800).

Almost surely, 2^66043922229 is an apocalyptic number.

It is an amenable number.

66043922229 is a deficient number, since it is larger than the sum of its proper divisors (29356411371).

66043922229 is a wasteful number, since it uses less digits than its factorization.

66043922229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273624 (or 273621 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The spelling of 66043922229 in words is "sixty-six billion, forty-three million, nine hundred twenty-two thousand, two hundred twenty-nine".