80266169 has 2 divisors, whose sum is σ = 80266170. Its totient is φ = 80266168.

The previous prime is 80266117. The next prime is 80266181. The reversal of 80266169 is 96166208.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72454144 + 7812025 = 8512^2 + 2795^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80266169 is a prime.

It is a super-2 number, since 2×80266169² = 12885315771873122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80266969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40133084 + 40133085.

It is an arithmetic number, because the mean of its divisors is an integer number (40133085).

Almost surely, 2^80266169 is an apocalyptic number.

It is an amenable number.

80266169 is a deficient number, since it is larger than the sum of its proper divisors (1).

80266169 is an equidigital number, since it uses as much as digits as its factorization.

80266169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 80266169 is about 8959.1388537069. The cubic root of 80266169 is about 431.3642787808.

The spelling of 80266169 in words is "eighty million, two hundred sixty-six thousand, one hundred sixty-nine".