168111353 has 2 divisors, whose sum is σ = 168111354. Its totient is φ = 168111352.

The previous prime is 168111331. The next prime is 168111401. The reversal of 168111353 is 353111861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159567424 + 8543929 = 12632^2 + 2923^2 .

It is a cyclic number.

It is not a de Polignac number, because 168111353 - 2¹⁶ = 168045817 is a prime.

It is a super-2 number, since 2×168111353² = 56522854014981218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (168111953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84055676 + 84055677.

It is an arithmetic number, because the mean of its divisors is an integer number (84055677).

Almost surely, 2^168111353 is an apocalyptic number.

It is an amenable number.

168111353 is a deficient number, since it is larger than the sum of its proper divisors (1).

168111353 is an equidigital number, since it uses as much as digits as its factorization.

168111353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 29.

The square root of 168111353 is about 12965.7762204968. The cubic root of 168111353 is about 551.9067188609.

It can be divided in two parts, 16811135 and 3, that multiplied together give a palindrome (50433405).

The spelling of 168111353 in words is "one hundred sixty-eight million, one hundred eleven thousand, three hundred fifty-three".