320601066 has 16 divisors (see below), whose sum is σ = 641719584. Its totient is φ = 106780784.

The previous prime is 320601059. The next prime is 320601091. The reversal of 320601066 is 660106023.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13260 + ... + 28583.

It is an arithmetic number, because the mean of its divisors is an integer number (40107474).

Almost surely, 2^320601066 is an apocalyptic number.

320601066 is an abundant number, since it is smaller than the sum of its proper divisors (321118518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320601066 is a wasteful number, since it uses less digits than its factorization.

320601066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43125.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 320601066 is about 17905.3362437012. The cubic root of 320601066 is about 684.4183643171.

Adding to 320601066 its reverse (660106023), we get a palindrome (980707089).

The spelling of 320601066 in words is "three hundred twenty million, six hundred one thousand, sixty-six".