16787086188980 has 12 divisors (see below), whose sum is σ = 35252880996900. Its totient is φ = 6714834475584.

The previous prime is 16787086188923. The next prime is 16787086188991. The reversal of 16787086188980 is 8988168078761.

It can be written as a sum of positive squares in 2 ways, for example, as 6189964865296 + 10597121323684 = 2487964^2 + 3255322^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419677154705 + ... + 419677154744.

It is an arithmetic number, because the mean of its divisors is an integer number (2937740083075).

Almost surely, 2^{16787086188980} is an apocalyptic number.

16787086188980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16787086188980 is an abundant number, since it is smaller than the sum of its proper divisors (18465794807920).

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

16787086188980 is a wasteful number, since it uses less digits than its factorization.

16787086188980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839354309458 (or 839354309456 counting only the distinct ones).

The product of its (nonzero) digits is 520224768, while the sum is 77.

The spelling of 16787086188980 in words is "sixteen trillion, seven hundred eighty-seven billion, eighty-six million, one hundred eighty-eight thousand, nine hundred eighty".