1317166267 has 2 divisors, whose sum is σ = 1317166268. Its totient is φ = 1317166266.

The previous prime is 1317166187. The next prime is 1317166313. The reversal of 1317166267 is 7626617131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1317166267 is a prime.

It is not a weakly prime, because it can be changed into another prime (1317160267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658583133 + 658583134.

It is an arithmetic number, because the mean of its divisors is an integer number (658583134).

Almost surely, 2^1317166267 is an apocalyptic number.

1317166267 is a deficient number, since it is larger than the sum of its proper divisors (1).

1317166267 is an equidigital number, since it uses as much as digits as its factorization.

1317166267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 40.

The square root of 1317166267 is about 36292.7853298696. The cubic root of 1317166267 is about 1096.1757744947.

The spelling of 1317166267 in words is "one billion, three hundred seventeen million, one hundred sixty-six thousand, two hundred sixty-seven".