16178778160343 has 2 divisors, whose sum is σ = 16178778160344. Its totient is φ = 16178778160342.

The previous prime is 16178778160309. The next prime is 16178778160373. The reversal of 16178778160343 is 34306187787161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16178778160343 - 2⁸ = 16178778160087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16178778160373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8089389080171 + 8089389080172.

It is an arithmetic number, because the mean of its divisors is an integer number (8089389080172).

Almost surely, 2^{16178778160343} is an apocalyptic number.

16178778160343 is a deficient number, since it is larger than the sum of its proper divisors (1).

16178778160343 is an equidigital number, since it uses as much as digits as its factorization.

16178778160343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28449792, while the sum is 62.

The spelling of 16178778160343 in words is "sixteen trillion, one hundred seventy-eight billion, seven hundred seventy-eight million, one hundred sixty thousand, three hundred forty-three".