168530933353 has 2 divisors, whose sum is σ = 168530933354. Its totient is φ = 168530933352.

The previous prime is 168530933317. The next prime is 168530933393. The reversal of 168530933353 is 353339035861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105071277609 + 63459655744 = 324147^2 + 251912^2 .

It is a cyclic number.

It is not a de Polignac number, because 168530933353 - 2¹⁷ = 168530802281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 168530933297 and 168530933306.

It is not a weakly prime, because it can be changed into another prime (168530933393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84265466676 + 84265466677.

It is an arithmetic number, because the mean of its divisors is an integer number (84265466677).

Almost surely, 2^168530933353 is an apocalyptic number.

It is an amenable number.

168530933353 is a deficient number, since it is larger than the sum of its proper divisors (1).

168530933353 is an equidigital number, since it uses as much as digits as its factorization.

168530933353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2624400, while the sum is 49.

The spelling of 168530933353 in words is "one hundred sixty-eight billion, five hundred thirty million, nine hundred thirty-three thousand, three hundred fifty-three".