66732610229 has 2 divisors, whose sum is σ = 66732610230. Its totient is φ = 66732610228.

The previous prime is 66732610211. The next prime is 66732610253. The reversal of 66732610229 is 92201623766.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63718380625 + 3014229604 = 252425^2 + 54902^2 .

It is a cyclic number.

It is not a de Polignac number, because 66732610229 - 2²⁰ = 66731561653 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 66732610229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66732610279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33366305114 + 33366305115.

It is an arithmetic number, because the mean of its divisors is an integer number (33366305115).

Almost surely, 2^66732610229 is an apocalyptic number.

It is an amenable number.

66732610229 is a deficient number, since it is larger than the sum of its proper divisors (1).

66732610229 is an equidigital number, since it uses as much as digits as its factorization.

66732610229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 44.

The spelling of 66732610229 in words is "sixty-six billion, seven hundred thirty-two million, six hundred ten thousand, two hundred twenty-nine".