160785 has 20 divisors (see below), whose sum is σ = 288948. Its totient is φ = 85536.

The previous prime is 160781. The next prime is 160789. The reversal of 160785 is 587061.

It is an interprime number because it is at equal distance from previous prime (160781) and next prime (160789).

It can be written as a sum of positive squares in 2 ways, for example, as 82944 + 77841 = 288^2 + 279^2 .

It is not a de Polignac number, because 160785 - 2² = 160781 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (160781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 207 + ... + 603.

2¹⁶⁰⁷⁸⁵ is an apocalyptic number.

160785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

160785 is a deficient number, since it is larger than the sum of its proper divisors (128163).

160785 is an equidigital number, since it uses as much as digits as its factorization.

160785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414 (or 405 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 160785 is about 400.9800493790. The cubic root of 160785 is about 54.3769916036.

The spelling of 160785 in words is "one hundred sixty thousand, seven hundred eighty-five".