163074589 has 4 divisors (see below), whose sum is σ = 167052060. Its totient is φ = 159097120.

The previous prime is 163074581. The next prime is 163074599. The reversal of 163074589 is 985470361.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11168964 + 151905625 = 3342^2 + 12325^2 .

It is a cyclic number.

It is not a de Polignac number, because 163074589 - 2³ = 163074581 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163074581) 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 in 3 ways as a sum of consecutive naturals, for example, 1988674 + ... + 1988755.

It is an arithmetic number, because the mean of its divisors is an integer number (41763015).

Almost surely, 2^163074589 is an apocalyptic number.

It is an amenable number.

163074589 is a deficient number, since it is larger than the sum of its proper divisors (3977471).

163074589 is an equidigital number, since it uses as much as digits as its factorization.

163074589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3977470.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 163074589 is about 12770.0661313871. The cubic root of 163074589 is about 546.3388668263.

The spelling of 163074589 in words is "one hundred sixty-three million, seventy-four thousand, five hundred eighty-nine".