16471404056420 has 48 divisors (see below), whose sum is σ = 34612216395120. Its totient is φ = 6584321519616.

The previous prime is 16471404056363. The next prime is 16471404056431. The reversal of 16471404056420 is 2465040417461.

It can be written as a sum of positive squares in 8 ways, for example, as 1442011902244 + 15029392154176 = 1200838^2 + 3876776^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203538926 + ... + 203619834.

It is an arithmetic number, because the mean of its divisors is an integer number (721087841565).

Almost surely, 2^{16471404056420} is an apocalyptic number.

16471404056420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16471404056420 is an abundant number, since it is smaller than the sum of its proper divisors (18140812338700).

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

16471404056420 is a wasteful number, since it uses less digits than its factorization.

16471404056420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87344 (or 87342 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 44.

The spelling of 16471404056420 in words is "sixteen trillion, four hundred seventy-one billion, four hundred four million, fifty-six thousand, four hundred twenty".