17117673012 has 108 divisors (see below), whose sum is σ = 47847709728. Its totient is φ = 5155893600.

The previous prime is 17117672993. The next prime is 17117673043. The reversal of 17117673012 is 21037671171.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 715687 + ... + 739217.

Almost surely, 2^17117673012 is an apocalyptic number.

17117673012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 17117673012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23923854864).

17117673012 is an abundant number, since it is smaller than the sum of its proper divisors (30730036716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

17117673012 is a wasteful number, since it uses less digits than its factorization.

17117673012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23730 (or 23714 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 36.

The spelling of 17117673012 in words is "seventeen billion, one hundred seventeen million, six hundred seventy-three thousand, twelve".