170239585201 has 9 divisors (see below), whose sum is σ = 198037163001. Its totient is φ = 145917168852.

The previous prime is 170239585169. The next prime is 170239585237. The reversal of 170239585201 is 102585932071.

It is a happy number.

The square root of 170239585201 is 412601.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 170239585201 - 2⁵ = 170239585169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (170239585501) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2858736 + ... + 2917678.

Almost surely, 2^170239585201 is an apocalyptic number.

170239585201 is the 412601-st square number.

170239585201 is the 206301-st centered octagonal number.

It is an amenable number.

170239585201 is a deficient number, since it is larger than the sum of its proper divisors (27797577800).

170239585201 is an frugal number, since it uses more digits than its factorization.

170239585201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117900 (or 58950 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 43.

The spelling of 170239585201 in words is "one hundred seventy billion, two hundred thirty-nine million, five hundred eighty-five thousand, two hundred one".