16486731506880 has 448 divisors, whose sum is σ = 58893914419200. Its totient is φ = 4341157355520.

The previous prime is 16486731506837. The next prime is 16486731506909. The reversal of 16486731506880 is 8860513768461.

16486731506880 is a `hidden beast` number, since 1 + 6 + 48 + 6 + 7 + 3 + 1 + 506 + 8 + 80 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1635745681 + ... + 1635755759.

It is an arithmetic number, because the mean of its divisors is an integer number (131459630400).

Almost surely, 2^{16486731506880} is an apocalyptic number.

16486731506880 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 16486731506880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29446957209600).

16486731506880 is an abundant number, since it is smaller than the sum of its proper divisors (42407182912320).

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

16486731506880 is a wasteful number, since it uses less digits than its factorization.

16486731506880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12469 (or 12453 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 63.

The spelling of 16486731506880 in words is "sixteen trillion, four hundred eighty-six billion, seven hundred thirty-one million, five hundred six thousand, eight hundred eighty".