320056660424603 has 4 divisors (see below), whose sum is σ = 324108010556640. Its totient is φ = 316005310292568.

The previous prime is 320056660424597. The next prime is 320056660424651. The reversal of 320056660424603 is 306424066650023.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 320056660424603 - 2¹⁰ = 320056660423579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320056660424653) 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, 2025675065900 + ... + 2025675066057.

It is an arithmetic number, because the mean of its divisors is an integer number (81027002639160).

Almost surely, 2^{320056660424603} is an apocalyptic number.

320056660424603 is a deficient number, since it is larger than the sum of its proper divisors (4051350132037).

320056660424603 is an equidigital number, since it uses as much as digits as its factorization.

320056660424603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4051350132036.

The product of its (nonzero) digits is 3732480, while the sum is 47.

The spelling of 320056660424603 in words is "three hundred twenty trillion, fifty-six billion, six hundred sixty million, four hundred twenty-four thousand, six hundred three".