160643966 has 16 divisors (see below), whose sum is σ = 275629056. Its totient is φ = 68787576.

The previous prime is 160643941. The next prime is 160643969. The reversal of 160643966 is 669346061.

160643966 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160643969) by changing a digit.

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, 14255 + ... + 22901.

It is an arithmetic number, because the mean of its divisors is an integer number (17226816).

Almost surely, 2^160643966 is an apocalyptic number.

160643966 is a deficient number, since it is larger than the sum of its proper divisors (114985090).

160643966 is a wasteful number, since it uses less digits than its factorization.

160643966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9983.

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 160643966 is about 12674.5400705509. The cubic root of 160643966 is about 543.6108786460.

The spelling of 160643966 in words is "one hundred sixty million, six hundred forty-three thousand, nine hundred sixty-six".