17117672903 has 8 divisors (see below), whose sum is σ = 17271987696. Its totient is φ = 16963408000.

The previous prime is 17117672893. The next prime is 17117672917. The reversal of 17117672903 is 30927671171.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 17117672903 - 2²⁴ = 17100895687 is a prime.

It is a super-2 number, since 2×17117672903² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17117672993) 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, 1211228 + ... + 1225278.

It is an arithmetic number, because the mean of its divisors is an integer number (2158998462).

Almost surely, 2^17117672903 is an apocalyptic number.

17117672903 is a deficient number, since it is larger than the sum of its proper divisors (154314793).

17117672903 is a wasteful number, since it uses less digits than its factorization.

17117672903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24945.

The product of its (nonzero) digits is 111132, while the sum is 44.

The spelling of 17117672903 in words is "seventeen billion, one hundred seventeen million, six hundred seventy-two thousand, nine hundred three".