16545126174047 has 16 divisors (see below), whose sum is σ = 16798274076672. Its totient is φ = 16293939086880.

The previous prime is 16545126174043. The next prime is 16545126174077. The reversal of 16545126174047 is 74047162154561.

It is a cyclic number.

It is not a de Polignac number, because 16545126174047 - 2² = 16545126174043 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16545126174047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16545126174043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25458722 + ... + 26100512.

It is an arithmetic number, because the mean of its divisors is an integer number (1049892129792).

Almost surely, 2^{16545126174047} is an apocalyptic number.

16545126174047 is a deficient number, since it is larger than the sum of its proper divisors (253147902625).

16545126174047 is a wasteful number, since it uses less digits than its factorization.

16545126174047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643318.

The product of its (nonzero) digits is 5644800, while the sum is 53.

The spelling of 16545126174047 in words is "sixteen trillion, five hundred forty-five billion, one hundred twenty-six million, one hundred seventy-four thousand, forty-seven".