320660803071 has 24 divisors (see below), whose sum is σ = 529393606560. Its totient is φ = 183217856256.

The previous prime is 320660803039. The next prime is 320660803171. The reversal of 320660803071 is 170308066023.

It is a happy number.

It is not a de Polignac number, because 320660803071 - 2⁵ = 320660803039 is a prime.

It is a super-2 number, since 2×320660803071² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320660803031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 471115 + ... + 929123.

It is an arithmetic number, because the mean of its divisors is an integer number (22058066940).

Almost surely, 2^320660803071 is an apocalyptic number.

320660803071 is a deficient number, since it is larger than the sum of its proper divisors (208732803489).

320660803071 is a wasteful number, since it uses less digits than its factorization.

320660803071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469135 (or 469132 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

Adding to 320660803071 its reverse (170308066023), we get a palindrome (490968869094).

The spelling of 320660803071 in words is "three hundred twenty billion, six hundred sixty million, eight hundred three thousand, seventy-one".