7166867017 has 2 divisors, whose sum is σ = 7166867018. Its totient is φ = 7166867016.

The previous prime is 7166866997. The next prime is 7166867023. The reversal of 7166867017 is 7107686617.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6395360841 + 771506176 = 79971^2 + 27776^2 .

It is an emirp because it is prime and its reverse (7107686617) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7166867017 - 2²³ = 7158478409 is a prime.

It is not a weakly prime, because it can be changed into another prime (7166867717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3583433508 + 3583433509.

It is an arithmetic number, because the mean of its divisors is an integer number (3583433509).

Almost surely, 2^7166867017 is an apocalyptic number.

It is an amenable number.

7166867017 is a deficient number, since it is larger than the sum of its proper divisors (1).

7166867017 is an equidigital number, since it uses as much as digits as its factorization.

7166867017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 592704, while the sum is 49.

The square root of 7166867017 is about 84657.3506377326. The cubic root of 7166867017 is about 1928.0122192979.

The spelling of 7166867017 in words is "seven billion, one hundred sixty-six million, eight hundred sixty-seven thousand, seventeen".