1166344379 has 2 divisors, whose sum is σ = 1166344380. Its totient is φ = 1166344378.

The previous prime is 1166344337. The next prime is 1166344423. The reversal of 1166344379 is 9734436611.

It is an a-pointer prime, because the next prime (1166344423) can be obtained adding 1166344379 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1166344379 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1166344079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583172189 + 583172190.

It is an arithmetic number, because the mean of its divisors is an integer number (583172190).

Almost surely, 2^1166344379 is an apocalyptic number.

1166344379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166344379 is an equidigital number, since it uses as much as digits as its factorization.

1166344379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 44.

The square root of 1166344379 is about 34151.7844189729. The cubic root of 1166344379 is about 1052.6296533106.

The spelling of 1166344379 in words is "one billion, one hundred sixty-six million, three hundred forty-four thousand, three hundred seventy-nine".