16545170445799 has 2 divisors, whose sum is σ = 16545170445800. Its totient is φ = 16545170445798.

The previous prime is 16545170445761. The next prime is 16545170445803. The reversal of 16545170445799 is 99754407154561.

16545170445799 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 a de Polignac number, because none of the positive numbers 2^k-16545170445799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16545170445299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8272585222899 + 8272585222900.

It is an arithmetic number, because the mean of its divisors is an integer number (8272585222900).

Almost surely, 2^{16545170445799} is an apocalyptic number.

16545170445799 is a deficient number, since it is larger than the sum of its proper divisors (1).

16545170445799 is an equidigital number, since it uses as much as digits as its factorization.

16545170445799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512000, while the sum is 67.

The spelling of 16545170445799 in words is "sixteen trillion, five hundred forty-five billion, one hundred seventy million, four hundred forty-five thousand, seven hundred ninety-nine".