100066666069 has 2 divisors, whose sum is σ = 100066666070. Its totient is φ = 100066666068.

The previous prime is 100066666013. The next prime is 100066666079. The reversal of 100066666069 is 960666660001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87441447025 + 12625219044 = 295705^2 + 112362^2 .

It is an emirp because it is prime and its reverse (960666660001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100066666069 - 2⁹ = 100066665557 is a prime.

It is a super-2 number, since 2×100066666069² (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 (100066666079) 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 as a sum of consecutive naturals, namely, 50033333034 + 50033333035.

It is an arithmetic number, because the mean of its divisors is an integer number (50033333035).

Almost surely, 2^100066666069 is an apocalyptic number.

It is an amenable number.

100066666069 is a deficient number, since it is larger than the sum of its proper divisors (1).

100066666069 is an equidigital number, since it uses as much as digits as its factorization.

100066666069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 419904, while the sum is 46.

The spelling of 100066666069 in words is "one hundred billion, sixty-six million, six hundred sixty-six thousand, sixty-nine".