160685005 has 8 divisors (see below), whose sum is σ = 207654552. Its totient is φ = 118659648.

The previous prime is 160684991. The next prime is 160685011. The reversal of 160685005 is 500586061.

It can be written as a sum of positive squares in 4 ways, for example, as 3006756 + 157678249 = 1734^2 + 12557^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 160685005 - 2¹⁵ = 160652237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1235974 + ... + 1236103.

It is an arithmetic number, because the mean of its divisors is an integer number (25956819).

Almost surely, 2^160685005 is an apocalyptic number.

It is an amenable number.

160685005 is a deficient number, since it is larger than the sum of its proper divisors (46969547).

160685005 is a wasteful number, since it uses less digits than its factorization.

160685005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2472095.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 160685005 is about 12676.1589213768. The cubic root of 160685005 is about 543.6571659896.

The spelling of 160685005 in words is "one hundred sixty million, six hundred eighty-five thousand, five".