168389160349 has 2 divisors, whose sum is σ = 168389160350. Its totient is φ = 168389160348.

The previous prime is 168389160323. The next prime is 168389160409. The reversal of 168389160349 is 943061983861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 166551323449 + 1837836900 = 408107^2 + 42870^2 .

It is a cyclic number.

It is not a de Polignac number, because 168389160349 - 2⁷ = 168389160221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 168389160293 and 168389160302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168389160449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84194580174 + 84194580175.

It is an arithmetic number, because the mean of its divisors is an integer number (84194580175).

Almost surely, 2^168389160349 is an apocalyptic number.

It is an amenable number.

168389160349 is a deficient number, since it is larger than the sum of its proper divisors (1).

168389160349 is an equidigital number, since it uses as much as digits as its factorization.

168389160349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6718464, while the sum is 58.

The spelling of 168389160349 in words is "one hundred sixty-eight billion, three hundred eighty-nine million, one hundred sixty thousand, three hundred forty-nine".