320216344513753 has 8 divisors (see below), whose sum is σ = 329141962237448. Its totient is φ = 311304996365184.

The previous prime is 320216344513697. The next prime is 320216344513781. The reversal of 320216344513753 is 357315443612023.

It can be written as a sum of positive squares in 4 ways, for example, as 52167149718489 + 268049194795264 = 7222683^2 + 16372208^2 .

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-320216344513753 is a prime.

It is a super-2 number, since 2×320216344513753² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320216344513697 and 320216344513706.

It is not an unprimeable number, because it can be changed into a prime (320216344913753) 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, 3567348276 + ... + 3567438037.

It is an arithmetic number, because the mean of its divisors is an integer number (41142745279681).

Almost surely, 2^{320216344513753} is an apocalyptic number.

It is an amenable number.

320216344513753 is a deficient number, since it is larger than the sum of its proper divisors (8925617723695).

320216344513753 is a wasteful number, since it uses less digits than its factorization.

320216344513753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7134787563.

The product of its (nonzero) digits is 5443200, while the sum is 49.

The spelling of 320216344513753 in words is "three hundred twenty trillion, two hundred sixteen billion, three hundred forty-four million, five hundred thirteen thousand, seven hundred fifty-three".