17191608005 has 48 divisors (see below), whose sum is σ = 24467529072. Its totient is φ = 11518848000.

The previous prime is 17191607959. The next prime is 17191608011. The reversal of 17191608005 is 50080619171.

It can be written as a sum of positive squares in 8 ways, for example, as 2478645796 + 14712962209 = 49786^2 + 121297^2 .

It is not a de Polignac number, because 17191608005 - 2⁸ = 17191607749 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 17191608005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4725047 + ... + 4728683.

It is an arithmetic number, because the mean of its divisors is an integer number (509740189).

Almost surely, 2^17191608005 is an apocalyptic number.

It is an amenable number.

17191608005 is a deficient number, since it is larger than the sum of its proper divisors (7275921067).

17191608005 is a wasteful number, since it uses less digits than its factorization.

17191608005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4278 (or 4267 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 38.

The spelling of 17191608005 in words is "seventeen billion, one hundred ninety-one million, six hundred eight thousand, five".