201066052069 has 2 divisors, whose sum is σ = 201066052070. Its totient is φ = 201066052068.

The previous prime is 201066052039. The next prime is 201066052073. The reversal of 201066052069 is 960250660102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112434807969 + 88631244100 = 335313^2 + 297710^2 .

It is a cyclic number.

It is not a de Polignac number, because 201066052069 - 2⁷ = 201066051941 is a prime.

It is a super-2 number, since 2×201066052069² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201066052039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100533026034 + 100533026035.

It is an arithmetic number, because the mean of its divisors is an integer number (100533026035).

Almost surely, 2^201066052069 is an apocalyptic number.

It is an amenable number.

201066052069 is a deficient number, since it is larger than the sum of its proper divisors (1).

201066052069 is an equidigital number, since it uses as much as digits as its factorization.

201066052069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 201066052069 in words is "two hundred one billion, sixty-six million, fifty-two thousand, sixty-nine".