168113922533 has 2 divisors, whose sum is σ = 168113922534. Its totient is φ = 168113922532.

The previous prime is 168113922527. The next prime is 168113922589. The reversal of 168113922533 is 335229311861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 167430727489 + 683195044 = 409183^2 + 26138^2 .

It is a cyclic number.

It is not a de Polignac number, because 168113922533 - 2⁶ = 168113922469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168113927533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84056961266 + 84056961267.

It is an arithmetic number, because the mean of its divisors is an integer number (84056961267).

Almost surely, 2^168113922533 is an apocalyptic number.

It is an amenable number.

168113922533 is a deficient number, since it is larger than the sum of its proper divisors (1).

168113922533 is an equidigital number, since it uses as much as digits as its factorization.

168113922533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 44.

The spelling of 168113922533 in words is "one hundred sixty-eight billion, one hundred thirteen million, nine hundred twenty-two thousand, five hundred thirty-three".