16575523534643 has 2 divisors, whose sum is σ = 16575523534644. Its totient is φ = 16575523534642.

The previous prime is 16575523534513. The next prime is 16575523534651. The reversal of 16575523534643 is 34643532557561.

16575523534643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16575523534643 - 2¹⁶ = 16575523469107 is a prime.

It is a super-2 number, since 2×16575523534643² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16575523534243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8287761767321 + 8287761767322.

It is an arithmetic number, because the mean of its divisors is an integer number (8287761767322).

Almost surely, 2^{16575523534643} is an apocalyptic number.

16575523534643 is a deficient number, since it is larger than the sum of its proper divisors (1).

16575523534643 is an equidigital number, since it uses as much as digits as its factorization.

16575523534643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080000, while the sum is 59.

The spelling of 16575523534643 in words is "sixteen trillion, five hundred seventy-five billion, five hundred twenty-three million, five hundred thirty-four thousand, six hundred forty-three".