66200189327 has 4 divisors (see below), whose sum is σ = 66220518096. Its totient is φ = 66179860560.

The previous prime is 66200189317. The next prime is 66200189371. The reversal of 66200189327 is 72398100266.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 66200189327 - 2³² = 61905222031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66200189317) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 10159499 + ... + 10166012.

It is an arithmetic number, because the mean of its divisors is an integer number (16555129524).

Almost surely, 2^66200189327 is an apocalyptic number.

66200189327 is a deficient number, since it is larger than the sum of its proper divisors (20328769).

66200189327 is a wasteful number, since it uses less digits than its factorization.

66200189327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20328768.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 66200189327 in words is "sixty-six billion, two hundred million, one hundred eighty-nine thousand, three hundred twenty-seven".