168967345049 has 2 divisors, whose sum is σ = 168967345050. Its totient is φ = 168967345048.

The previous prime is 168967345033. The next prime is 168967345103. The reversal of 168967345049 is 940543769861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146962589449 + 22004755600 = 383357^2 + 148340^2 .

It is a cyclic number.

It is not a de Polignac number, because 168967345049 - 2⁴ = 168967345033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 168967344982 and 168967345000.

It is not a weakly prime, because it can be changed into another prime (168967335049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84483672524 + 84483672525.

It is an arithmetic number, because the mean of its divisors is an integer number (84483672525).

Almost surely, 2^168967345049 is an apocalyptic number.

It is an amenable number.

168967345049 is a deficient number, since it is larger than the sum of its proper divisors (1).

168967345049 is an equidigital number, since it uses as much as digits as its factorization.

168967345049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39191040, while the sum is 62.

The spelling of 168967345049 in words is "one hundred sixty-eight billion, nine hundred sixty-seven million, three hundred forty-five thousand, forty-nine".