168710551543 has 2 divisors, whose sum is σ = 168710551544. Its totient is φ = 168710551542.

The previous prime is 168710551531. The next prime is 168710551553. The reversal of 168710551543 is 345155017861.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 168710551543 - 2¹⁷ = 168710420471 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 168710551493 and 168710551502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168710551523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84355275771 + 84355275772.

It is an arithmetic number, because the mean of its divisors is an integer number (84355275772).

Almost surely, 2^168710551543 is an apocalyptic number.

168710551543 is a deficient number, since it is larger than the sum of its proper divisors (1).

168710551543 is an equidigital number, since it uses as much as digits as its factorization.

168710551543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504000, while the sum is 46.

The spelling of 168710551543 in words is "one hundred sixty-eight billion, seven hundred ten million, five hundred fifty-one thousand, five hundred forty-three".