1166600924609 has 2 divisors, whose sum is σ = 1166600924610. Its totient is φ = 1166600924608.

The previous prime is 1166600924561. The next prime is 1166600924681. The reversal of 1166600924609 is 9064290066611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1040138896384 + 126462028225 = 1019872^2 + 355615^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1166600924609 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1166600924689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583300462304 + 583300462305.

It is an arithmetic number, because the mean of its divisors is an integer number (583300462305).

Almost surely, 2^{1166600924609} is an apocalyptic number.

It is an amenable number.

1166600924609 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166600924609 is an equidigital number, since it uses as much as digits as its factorization.

1166600924609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 839808, while the sum is 50.

The spelling of 1166600924609 in words is "one trillion, one hundred sixty-six billion, six hundred million, nine hundred twenty-four thousand, six hundred nine".