9166750083409 has 2 divisors, whose sum is σ = 9166750083410. Its totient is φ = 9166750083408.

The previous prime is 9166750083367. The next prime is 9166750083437. The reversal of 9166750083409 is 9043800576619.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7642167215809 + 1524582867600 = 2764447^2 + 1234740^2 .

It is an emirp because it is prime and its reverse (9043800576619) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9166750083409 - 2¹⁷ = 9166749952337 is a prime.

It is a super-2 number, since 2×9166750083409² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9166750083109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4583375041704 + 4583375041705.

It is an arithmetic number, because the mean of its divisors is an integer number (4583375041705).

Almost surely, 2^{9166750083409} is an apocalyptic number.

It is an amenable number.

9166750083409 is a deficient number, since it is larger than the sum of its proper divisors (1).

9166750083409 is an equidigital number, since it uses as much as digits as its factorization.

9166750083409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9797760, while the sum is 58.

The spelling of 9166750083409 in words is "nine trillion, one hundred sixty-six billion, seven hundred fifty million, eighty-three thousand, four hundred nine".