170166852017 has 4 divisors (see below), whose sum is σ = 171851672436. Its totient is φ = 168482031600.

The previous prime is 170166852001. The next prime is 170166852029. The reversal of 170166852017 is 710258661071.

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 70098387121 + 100068464896 = 264761^2 + 316336^2 .

It is a cyclic number.

It is not a de Polignac number, because 170166852017 - 2⁴ = 170166852001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (170166852067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 842410058 + ... + 842410259.

It is an arithmetic number, because the mean of its divisors is an integer number (42962918109).

Almost surely, 2^170166852017 is an apocalyptic number.

It is an amenable number.

170166852017 is a deficient number, since it is larger than the sum of its proper divisors (1684820419).

170166852017 is a wasteful number, since it uses less digits than its factorization.

170166852017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684820418.

The product of its (nonzero) digits is 141120, while the sum is 44.

The spelling of 170166852017 in words is "one hundred seventy billion, one hundred sixty-six million, eight hundred fifty-two thousand, seventeen".