320056660425263 has 8 divisors (see below), whose sum is σ = 323731957504800. Its totient is φ = 316392285477888.

The previous prime is 320056660425239. The next prime is 320056660425311. The reversal of 320056660425263 is 362524066650023.

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

It is a cyclic number.

It is not a de Polignac number, because 320056660425263 - 2¹⁰ = 320056660424239 is a prime.

It is a super-2 number, since 2×320056660425263² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320056650425263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2730474098 + ... + 2730591311.

It is an arithmetic number, because the mean of its divisors is an integer number (40466494688100).

Almost surely, 2^{320056660425263} is an apocalyptic number.

320056660425263 is a deficient number, since it is larger than the sum of its proper divisors (3675297079537).

320056660425263 is a wasteful number, since it uses less digits than its factorization.

320056660425263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5461066081.

The product of its (nonzero) digits is 9331200, while the sum is 50.

The spelling of 320056660425263 in words is "three hundred twenty trillion, fifty-six billion, six hundred sixty million, four hundred twenty-five thousand, two hundred sixty-three".