16504069232305 has 24 divisors (see below), whose sum is σ = 20516523342840. Its totient is φ = 12741773790720.

The previous prime is 16504069232297. The next prime is 16504069232311. The reversal of 16504069232305 is 50323296040561.

16504069232305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 10540197285489 + 5963871946816 = 3246567^2 + 2442104^2 .

It is not a de Polignac number, because 16504069232305 - 2³ = 16504069232297 is a prime.

It is a super-2 number, since 2×16504069232305² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8775100 + ... + 10488589.

It is an arithmetic number, because the mean of its divisors is an integer number (854855139285).

Almost surely, 2^{16504069232305} is an apocalyptic number.

It is an amenable number.

16504069232305 is a deficient number, since it is larger than the sum of its proper divisors (4012454110535).

16504069232305 is an equidigital number, since it uses as much as digits as its factorization.

16504069232305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19263861 (or 19263808 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 46.

The spelling of 16504069232305 in words is "sixteen trillion, five hundred four billion, sixty-nine million, two hundred thirty-two thousand, three hundred five".