320010656 has 48 divisors (see below), whose sum is σ = 721296576. Its totient is φ = 136905216.

The previous prime is 320010653. The next prime is 320010659. The reversal of 320010656 is 656010023.

320010656 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (320010653) and next prime (320010659).

320010656 is a modest number, since divided by 10656 gives 320 as remainder.

It is not an unprimeable number, because it can be changed into a prime (320010653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191135 + ... + 192801.

It is an arithmetic number, because the mean of its divisors is an integer number (15027012).

Almost surely, 2^320010656 is an apocalyptic number.

It is an amenable number.

320010656 is an abundant number, since it is smaller than the sum of its proper divisors (401285920).

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

320010656 is a wasteful number, since it uses less digits than its factorization.

320010656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2541 (or 2533 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 320010656 is about 17888.8416617734. The cubic root of 320010656 is about 683.9979708796.

Adding to 320010656 its reverse (656010023), we get a palindrome (976020679).

The spelling of 320010656 in words is "three hundred twenty million, ten thousand, six hundred fifty-six".