16545054522823 has 2 divisors, whose sum is σ = 16545054522824. Its totient is φ = 16545054522822.

The previous prime is 16545054522761. The next prime is 16545054522977. The reversal of 16545054522823 is 32822545054561.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16545054522823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16545054522223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8272527261411 + 8272527261412.

It is an arithmetic number, because the mean of its divisors is an integer number (8272527261412).

Almost surely, 2^{16545054522823} is an apocalyptic number.

16545054522823 is a deficient number, since it is larger than the sum of its proper divisors (1).

16545054522823 is an equidigital number, since it uses as much as digits as its factorization.

16545054522823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520000, while the sum is 52.

The spelling of 16545054522823 in words is "sixteen trillion, five hundred forty-five billion, fifty-four million, five hundred twenty-two thousand, eight hundred twenty-three".