160666 has 16 divisors (see below), whose sum is σ = 269280. Its totient is φ = 71280.

The previous prime is 160663. The next prime is 160669. The reversal of 160666 is 666061.

160666 = T₃₃ + T₃₄ + ... + T₉₉.

It is an interprime number because it is at equal distance from previous prime (160663) and next prime (160669).

160666 is a modest number, since divided by 666 gives 160 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 160666.

It is not an unprimeable number, because it can be changed into a prime (160663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1420 + ... + 1528.

It is an arithmetic number, because the mean of its divisors is an integer number (16830).

2¹⁶⁰⁶⁶⁶ is an apocalyptic number.

160666 is a deficient number, since it is larger than the sum of its proper divisors (108614).

160666 is a wasteful number, since it uses less digits than its factorization.

160666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 160666 is about 400.8316354780. The cubic root of 160666 is about 54.3635731482.

The spelling of 160666 in words is "one hundred sixty thousand, six hundred sixty-six".