17968474008 has 96 divisors (see below), whose sum is σ = 50563890000. Its totient is φ = 5757550848.

The previous prime is 17968473989. The next prime is 17968474019. The reversal of 17968474008 is 80047486971.

It is a happy number.

17968474008 is a `hidden beast` number, since 179 + 68 + 4 + 7 + 400 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 459363 + ... + 496941.

Almost surely, 2^17968474008 is an apocalyptic number.

17968474008 is a gapful number since it is divisible by the number (18) 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 17968474008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25281945000).

17968474008 is an abundant number, since it is smaller than the sum of its proper divisors (32595415992).

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

17968474008 is a wasteful number, since it uses less digits than its factorization.

17968474008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37849 (or 37842 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

The spelling of 17968474008 in words is "seventeen billion, nine hundred sixty-eight million, four hundred seventy-four thousand, eight".