170216671 has 4 divisors (see below), whose sum is σ = 170315200. Its totient is φ = 170118144.

The previous prime is 170216663. The next prime is 170216677. The reversal of 170216671 is 176612071.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 176612071 = 97 ⋅1820743.

It is a cyclic number.

It is not a de Polignac number, because 170216671 - 2³ = 170216663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170216677) 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, 46626 + ... + 50143.

It is an arithmetic number, because the mean of its divisors is an integer number (42578800).

Almost surely, 2^170216671 is an apocalyptic number.

170216671 is a deficient number, since it is larger than the sum of its proper divisors (98529).

170216671 is an equidigital number, since it uses as much as digits as its factorization.

170216671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98528.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 170216671 is about 13046.7111181324. The cubic root of 170216671 is about 554.2010754246.

The spelling of 170216671 in words is "one hundred seventy million, two hundred sixteen thousand, six hundred seventy-one".