320071645007 has 8 divisors (see below), whose sum is σ = 337232713200. Its totient is φ = 302942096064.

The previous prime is 320071644947. The next prime is 320071645013. The reversal of 320071645007 is 700546170023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320071645007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320071635007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7858958 + ... + 7899579.

It is an arithmetic number, because the mean of its divisors is an integer number (42154089150).

Almost surely, 2^320071645007 is an apocalyptic number.

320071645007 is a deficient number, since it is larger than the sum of its proper divisors (17161068193).

320071645007 is a wasteful number, since it uses less digits than its factorization.

320071645007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15759625.

The product of its (nonzero) digits is 35280, while the sum is 35.

The spelling of 320071645007 in words is "three hundred twenty billion, seventy-one million, six hundred forty-five thousand, seven".