170160381 has 6 divisors (see below), whose sum is σ = 245787230. Its totient is φ = 113440248.

The previous prime is 170160379. The next prime is 170160413. The reversal of 170160381 is 183061071.

170160381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 166023225 + 4137156 = 12885^2 + 2034^2 .

It is not a de Polignac number, because 170160381 - 2¹ = 170160379 is a prime.

It is a super-2 number, since 2×170160381² = 57909110524130322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170160301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9453346 + ... + 9453363.

Almost surely, 2^170160381 is an apocalyptic number.

It is an amenable number.

170160381 is a deficient number, since it is larger than the sum of its proper divisors (75626849).

170160381 is a wasteful number, since it uses less digits than its factorization.

170160381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18906715 (or 18906712 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 170160381 is about 13044.5536911004. The cubic root of 170160381 is about 554.1399779661.

The spelling of 170160381 in words is "one hundred seventy million, one hundred sixty thousand, three hundred eighty-one".