320260660224253 has 4 divisors (see below), whose sum is σ = 366012183113440. Its totient is φ = 274509137335068.

The previous prime is 320260660224203. The next prime is 320260660224257. The reversal of 320260660224253 is 352422066062023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320260660224253 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 (320260660224257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22875761444583 + ... + 22875761444596.

It is an arithmetic number, because the mean of its divisors is an integer number (91503045778360).

Almost surely, 2^{320260660224253} is an apocalyptic number.

It is an amenable number.

320260660224253 is a deficient number, since it is larger than the sum of its proper divisors (45751522889187).

320260660224253 is an equidigital number, since it uses as much as digits as its factorization.

320260660224253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45751522889186.

The product of its (nonzero) digits is 1244160, while the sum is 43.

The spelling of 320260660224253 in words is "three hundred twenty trillion, two hundred sixty billion, six hundred sixty million, two hundred twenty-four thousand, two hundred fifty-three".