16554543704323 has 2 divisors, whose sum is σ = 16554543704324. Its totient is φ = 16554543704322.

The previous prime is 16554543704203. The next prime is 16554543704393. The reversal of 16554543704323 is 32340734545561.

16554543704323 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-16554543704323 is a prime.

It is not a weakly prime, because it can be changed into another prime (16554543704393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8277271852161 + 8277271852162.

It is an arithmetic number, because the mean of its divisors is an integer number (8277271852162).

Almost surely, 2^{16554543704323} is an apocalyptic number.

16554543704323 is a deficient number, since it is larger than the sum of its proper divisors (1).

16554543704323 is an equidigital number, since it uses as much as digits as its factorization.

16554543704323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144000, while the sum is 52.

The spelling of 16554543704323 in words is "sixteen trillion, five hundred fifty-four billion, five hundred forty-three million, seven hundred four thousand, three hundred twenty-three".