1166467979 has 2 divisors, whose sum is σ = 1166467980. Its totient is φ = 1166467978.

The previous prime is 1166467933. The next prime is 1166467987. The reversal of 1166467979 is 9797646611.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1166467979 - 2²⁸ = 898032523 is a prime.

It is not a weakly prime, because it can be changed into another prime (1166461979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583233989 + 583233990.

It is an arithmetic number, because the mean of its divisors is an integer number (583233990).

Almost surely, 2^1166467979 is an apocalyptic number.

1166467979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166467979 is an equidigital number, since it uses as much as digits as its factorization.

1166467979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3429216, while the sum is 56.

The square root of 1166467979 is about 34153.5939397306. The cubic root of 1166467979 is about 1052.6668351332. Note that the first 3 decimals are identical.

The spelling of 1166467979 in words is "one billion, one hundred sixty-six million, four hundred sixty-seven thousand, nine hundred seventy-nine".