16667143005823 has 2 divisors, whose sum is σ = 16667143005824. Its totient is φ = 16667143005822.

The previous prime is 16667143005743. The next prime is 16667143005853. The reversal of 16667143005823 is 32850034176661.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16667143005823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16667143005853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8333571502911 + 8333571502912.

It is an arithmetic number, because the mean of its divisors is an integer number (8333571502912).

Almost surely, 2^{16667143005823} is an apocalyptic number.

16667143005823 is a deficient number, since it is larger than the sum of its proper divisors (1).

16667143005823 is an equidigital number, since it uses as much as digits as its factorization.

16667143005823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 16667143005823 in words is "sixteen trillion, six hundred sixty-seven billion, one hundred forty-three million, five thousand, eight hundred twenty-three".