266606029 has 2 divisors, whose sum is σ = 266606030. Its totient is φ = 266606028.

The previous prime is 266606023. The next prime is 266606033. The reversal of 266606029 is 920606662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204432804 + 62173225 = 14298^2 + 7885^2 .

It is a cyclic number.

It is not a de Polignac number, because 266606029 - 2⁷ = 266605901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (266606023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133303014 + 133303015.

It is an arithmetic number, because the mean of its divisors is an integer number (133303015).

Almost surely, 2^266606029 is an apocalyptic number.

It is an amenable number.

266606029 is a deficient number, since it is larger than the sum of its proper divisors (1).

266606029 is an equidigital number, since it uses as much as digits as its factorization.

266606029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 266606029 is about 16328.0748712149. The cubic root of 266606029 is about 643.6107985191.

The spelling of 266606029 in words is "two hundred sixty-six million, six hundred six thousand, twenty-nine".