108204660617 has 4 divisors (see below), whose sum is σ = 108994475796. Its totient is φ = 107414845440.

The previous prime is 108204660611. The next prime is 108204660637. The reversal of 108204660617 is 716066402801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 716066402801 = 130121 ⋅5503081.

It can be written as a sum of positive squares in 2 ways, for example, as 59817419776 + 48387240841 = 244576^2 + 219971^2 .

It is a cyclic number.

It is not a de Polignac number, because 108204660617 - 2⁴ = 108204660601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108204660611) 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, 394907384 + ... + 394907657.

It is an arithmetic number, because the mean of its divisors is an integer number (27248618949).

Almost surely, 2^108204660617 is an apocalyptic number.

It is an amenable number.

108204660617 is a deficient number, since it is larger than the sum of its proper divisors (789815179).

108204660617 is an equidigital number, since it uses as much as digits as its factorization.

108204660617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789815178.

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 108204660617 in words is "one hundred eight billion, two hundred four million, six hundred sixty thousand, six hundred seventeen".