16545724361045 has 24 divisors (see below), whose sum is σ = 21824405742048. Its totient is φ = 12033001236960.

The previous prime is 16545724361003. The next prime is 16545724361113. The reversal of 16545724361045 is 54016342754561.

It is not a de Polignac number, because 16545724361045 - 2⁶ = 16545724360981 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

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, 31418474 + ... + 31940756.

It is an arithmetic number, because the mean of its divisors is an integer number (909350239252).

Almost surely, 2^{16545724361045} is an apocalyptic number.

It is an amenable number.

16545724361045 is a deficient number, since it is larger than the sum of its proper divisors (5278681381003).

16545724361045 is a wasteful number, since it uses less digits than its factorization.

16545724361045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574673 (or 574662 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 53.

The spelling of 16545724361045 in words is "sixteen trillion, five hundred forty-five billion, seven hundred twenty-four million, three hundred sixty-one thousand, forty-five".