16545724034047 has 16 divisors (see below), whose sum is σ = 17848274153472. Its totient is φ = 15247452180960.

The previous prime is 16545724034033. The next prime is 16545724034057. The reversal of 16545724034047 is 74043042754561.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 16545724034047 - 2³⁹ = 15995968220159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16545724033985 and 16545724034003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16545724034057) 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, 18693538 + ... + 19558624.

It is an arithmetic number, because the mean of its divisors is an integer number (1115517134592).

Almost surely, 2^{16545724034047} is an apocalyptic number.

16545724034047 is a deficient number, since it is larger than the sum of its proper divisors (1302550119425).

16545724034047 is a wasteful number, since it uses less digits than its factorization.

16545724034047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867558.

The product of its (nonzero) digits is 11289600, while the sum is 52.

The spelling of 16545724034047 in words is "sixteen trillion, five hundred forty-five billion, seven hundred twenty-four million, thirty-four thousand, forty-seven".