173427517568 has 24 divisors (see below), whose sum is σ = 345509519205. Its totient is φ = 86711403008.

The previous prime is 173427517559. The next prime is 173427517631. The reversal of 173427517568 is 865715724371.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 170397235264 + 3030282304 = 412792^2 + 55048^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=294472.

It is a Duffinian number.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 4693148 + ... + 4729956.

Almost surely, 2^173427517568 is an apocalyptic number.

It is an amenable number.

173427517568 is a deficient number, since it is larger than the sum of its proper divisors (172082001637).

173427517568 is an frugal number, since it uses more digits than its factorization.

173427517568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73632 (or 36811 counting only the distinct ones).

The product of its digits is 9878400, while the sum is 56.

The spelling of 173427517568 in words is "one hundred seventy-three billion, four hundred twenty-seven million, five hundred seventeen thousand, five hundred sixty-eight".