1164558673 has 2 divisors, whose sum is σ = 1164558674. Its totient is φ = 1164558672.

The previous prime is 1164558611. The next prime is 1164558709. The reversal of 1164558673 is 3768554611.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 743816529 + 420742144 = 27273^2 + 20512^2 .

It is a cyclic number.

It is not a de Polignac number, because 1164558673 - 2¹³ = 1164550481 is a prime.

It is not a weakly prime, because it can be changed into another prime (1164552673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582279336 + 582279337.

It is an arithmetic number, because the mean of its divisors is an integer number (582279337).

Almost surely, 2^1164558673 is an apocalyptic number.

It is an amenable number.

1164558673 is a deficient number, since it is larger than the sum of its proper divisors (1).

1164558673 is an equidigital number, since it uses as much as digits as its factorization.

1164558673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604800, while the sum is 46.

The square root of 1164558673 is about 34125.6307340978. The cubic root of 1164558673 is about 1052.0921770663.

The spelling of 1164558673 in words is "one billion, one hundred sixty-four million, five hundred fifty-eight thousand, six hundred seventy-three".