16871557560 has 192 divisors, whose sum is σ = 59914542240. Its totient is φ = 3775411200.

The previous prime is 16871557559. The next prime is 16871557579. The reversal of 16871557560 is 6575517861.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 144070 + ... + 233450.

Almost surely, 2^16871557560 is an apocalyptic number.

16871557560 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 16871557560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29957271120).

16871557560 is an abundant number, since it is smaller than the sum of its proper divisors (43042984680).

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

16871557560 is a wasteful number, since it uses less digits than its factorization.

16871557560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89430 (or 89415 counting only the distinct ones).

The product of its (nonzero) digits is 1764000, while the sum is 51.

The spelling of 16871557560 in words is "sixteen billion, eight hundred seventy-one million, five hundred fifty-seven thousand, five hundred sixty".