17680738116 has 96 divisors (see below), whose sum is σ = 44272009600. Its totient is φ = 5475548160.

The previous prime is 17680738111. The next prime is 17680738139. The reversal of 17680738116 is 61183708671.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (17680738111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3009630 + ... + 3015498.

Almost surely, 2^17680738116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 17680738116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22136004800).

17680738116 is an abundant number, since it is smaller than the sum of its proper divisors (26591271484).

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

17680738116 is a wasteful number, since it uses less digits than its factorization.

17680738116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6149 (or 6147 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 48.

The spelling of 17680738116 in words is "seventeen billion, six hundred eighty million, seven hundred thirty-eight thousand, one hundred sixteen".