17081887680 has 1344 divisors, whose sum is σ = 75887884800. Its totient is φ = 3463741440.

The previous prime is 17081887633. The next prime is 17081887681. The reversal of 17081887680 is 8678818071.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17081887681) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 289523491 + ... + 289523549.

It is an arithmetic number, because the mean of its divisors is an integer number (56464200).

Almost surely, 2^17081887680 is an apocalyptic number.

17081887680 is a gapful number since it is divisible by the number (10) 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 17081887680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37943942400).

17081887680 is an abundant number, since it is smaller than the sum of its proper divisors (58805997120).

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

17081887680 is a wasteful number, since it uses less digits than its factorization.

17081887680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 54.

The spelling of 17081887680 in words is "seventeen billion, eighty-one million, eight hundred eighty-seven thousand, six hundred eighty".