817616016353 has 2 divisors, whose sum is σ = 817616016354. Its totient is φ = 817616016352.

The previous prime is 817616016331. The next prime is 817616016377. The reversal of 817616016353 is 353610616718.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 769739513104 + 47876503249 = 877348^2 + 218807^2 .

It is a cyclic number.

It is not a de Polignac number, because 817616016353 - 2⁶ = 817616016289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 817616016298 and 817616016307.

It is not a weakly prime, because it can be changed into another prime (817616016313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 408808008176 + 408808008177.

It is an arithmetic number, because the mean of its divisors is an integer number (408808008177).

Almost surely, 2^817616016353 is an apocalyptic number.

It is an amenable number.

817616016353 is a deficient number, since it is larger than the sum of its proper divisors (1).

817616016353 is an equidigital number, since it uses as much as digits as its factorization.

817616016353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 817616016353 in words is "eight hundred seventeen billion, six hundred sixteen million, sixteen thousand, three hundred fifty-three".