16545724056067 has 4 divisors (see below), whose sum is σ = 17519001941736. Its totient is φ = 15572446170400.

The previous prime is 16545724056053. The next prime is 16545724056079. The reversal of 16545724056067 is 76065042754561.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16545724056067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16545724056467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 486638942809 + ... + 486638942842.

It is an arithmetic number, because the mean of its divisors is an integer number (4379750485434).

Almost surely, 2^{16545724056067} is an apocalyptic number.

16545724056067 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

16545724056067 is a deficient number, since it is larger than the sum of its proper divisors (973277885669).

16545724056067 is an equidigital number, since it uses as much as digits as its factorization.

16545724056067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973277885668.

The product of its (nonzero) digits is 42336000, while the sum is 58.

The spelling of 16545724056067 in words is "sixteen trillion, five hundred forty-five billion, seven hundred twenty-four million, fifty-six thousand, sixty-seven".