16473340575257 has 8 divisors (see below), whose sum is σ = 17042128647240. Its totient is φ = 15904601959680.

The previous prime is 16473340575221. The next prime is 16473340575277. The reversal of 16473340575257 is 75257504337461.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1486926604816 + 14986413970441 = 1219396^2 + 3871229^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16473340575257 - 2⁶ = 16473340575193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16473340575196 and 16473340575205.

It is not an unprimeable number, because it can be changed into a prime (16473340575277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11685794 + ... + 13019387.

It is an arithmetic number, because the mean of its divisors is an integer number (2130266080905).

Almost surely, 2^{16473340575257} is an apocalyptic number.

It is an amenable number.

16473340575257 is a deficient number, since it is larger than the sum of its proper divisors (568788071983).

16473340575257 is a wasteful number, since it uses less digits than its factorization.

16473340575257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24728203.

The product of its (nonzero) digits is 74088000, while the sum is 59.

The spelling of 16473340575257 in words is "sixteen trillion, four hundred seventy-three billion, three hundred forty million, five hundred seventy-five thousand, two hundred fifty-seven".