1170159643 has 2 divisors, whose sum is σ = 1170159644. Its totient is φ = 1170159642.

The previous prime is 1170159637. The next prime is 1170159659. The reversal of 1170159643 is 3469510711.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1170159643 - 2⁹ = 1170159131 is a prime.

It is not a weakly prime, because it can be changed into another prime (1170159673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585079821 + 585079822.

It is an arithmetic number, because the mean of its divisors is an integer number (585079822).

Almost surely, 2^1170159643 is an apocalyptic number.

1170159643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1170159643 is an equidigital number, since it uses as much as digits as its factorization.

1170159643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 1170159643 is about 34207.5962762659. The cubic root of 1170159643 is about 1053.7761668722.

The spelling of 1170159643 in words is "one billion, one hundred seventy million, one hundred fifty-nine thousand, six hundred forty-three".