16545126174045 has 96 divisors (see below), whose sum is σ = 32277173870592. Its totient is φ = 7202195054208.

The previous prime is 16545126174043. The next prime is 16545126174077. The reversal of 16545126174045 is 54047162154561.

It is not a de Polignac number, because 16545126174045 - 2¹ = 16545126174043 is a prime.

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 95 ways as a sum of consecutive naturals, for example, 1575394 + ... + 5964236.

It is an arithmetic number, because the mean of its divisors is an integer number (336220561152).

Almost surely, 2^{16545126174045} is an apocalyptic number.

16545126174045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16545126174045 is a deficient number, since it is larger than the sum of its proper divisors (15732047696547).

16545126174045 is a wasteful number, since it uses less digits than its factorization.

16545126174045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4389111 (or 4389104 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 51.

The spelling of 16545126174045 in words is "sixteen trillion, five hundred forty-five billion, one hundred twenty-six million, one hundred seventy-four thousand, forty-five".