16463331347121 has 12 divisors (see below), whose sum is σ = 25179212648772. Its totient is φ = 10329933394176.

The previous prime is 16463331347039. The next prime is 16463331347137. The reversal of 16463331347121 is 12174313336461.

16463331347121 is a `hidden beast` number, since 1 + 6 + 4 + 633 + 3 + 1 + 3 + 4 + 7 + 1 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12485699987121 + 3977631360000 = 3533511^2 + 1994400^2 .

It is not a de Polignac number, because 16463331347121 - 2¹⁰ = 16463331346097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16463333347121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53801736276 + ... + 53801736581.

It is an arithmetic number, because the mean of its divisors is an integer number (2098267720731).

Almost surely, 2^{16463331347121} is an apocalyptic number.

It is an amenable number.

16463331347121 is a deficient number, since it is larger than the sum of its proper divisors (8715881301651).

16463331347121 is a wasteful number, since it uses less digits than its factorization.

16463331347121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107603472880 (or 107603472877 counting only the distinct ones).

The product of its digits is 653184, while the sum is 45.

The spelling of 16463331347121 in words is "sixteen trillion, four hundred sixty-three billion, three hundred thirty-one million, three hundred forty-seven thousand, one hundred twenty-one".