168935441803 has 2 divisors, whose sum is σ = 168935441804. Its totient is φ = 168935441802.

The previous prime is 168935441723. The next prime is 168935441809. The reversal of 168935441803 is 308144539861.

168935441803 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 not a de Polignac number, because 168935441803 - 2⁹ = 168935441291 is a prime.

It is not a weakly prime, because it can be changed into another prime (168935441809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84467720901 + 84467720902.

It is an arithmetic number, because the mean of its divisors is an integer number (84467720902).

Almost surely, 2^168935441803 is an apocalyptic number.

168935441803 is a deficient number, since it is larger than the sum of its proper divisors (1).

168935441803 is an equidigital number, since it uses as much as digits as its factorization.

168935441803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2488320, while the sum is 52.

The spelling of 168935441803 in words is "one hundred sixty-eight billion, nine hundred thirty-five million, four hundred forty-one thousand, eight hundred three".