320750712668 has 6 divisors (see below), whose sum is σ = 561313747176. Its totient is φ = 160375356332.

The previous prime is 320750712661. The next prime is 320750712719. The reversal of 320750712668 is 866217057023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320750712661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40093839080 + ... + 40093839087.

It is an arithmetic number, because the mean of its divisors is an integer number (93552291196).

Almost surely, 2^320750712668 is an apocalyptic number.

It is an amenable number.

320750712668 is a deficient number, since it is larger than the sum of its proper divisors (240563034508).

320750712668 is a wasteful number, since it uses less digits than its factorization.

320750712668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80187678171 (or 80187678169 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 320750712668 in words is "three hundred twenty billion, seven hundred fifty million, seven hundred twelve thousand, six hundred sixty-eight".