168912353 has 2 divisors, whose sum is σ = 168912354. Its totient is φ = 168912352.

The previous prime is 168912311. The next prime is 168912377. The reversal of 168912353 is 353219861.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 166745569 + 2166784 = 12913^2 + 1472^2 .

It is a cyclic number.

It is not a de Polignac number, because 168912353 - 2¹⁰ = 168911329 is a prime.

It is not a weakly prime, because it can be changed into another prime (168914353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84456176 + 84456177.

It is an arithmetic number, because the mean of its divisors is an integer number (84456177).

Almost surely, 2^168912353 is an apocalyptic number.

It is an amenable number.

168912353 is a deficient number, since it is larger than the sum of its proper divisors (1).

168912353 is an equidigital number, since it uses as much as digits as its factorization.

168912353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 38.

The square root of 168912353 is about 12996.6285243520. The cubic root of 168912353 is about 552.7818868272.

The spelling of 168912353 in words is "one hundred sixty-eight million, nine hundred twelve thousand, three hundred fifty-three".