168361353 has 18 divisors (see below), whose sum is σ = 257739534. Its totient is φ = 105537792.

The previous prime is 168361339. The next prime is 168361367. The reversal of 168361353 is 353163861.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (168361339) and next prime (168361367).

It can be written as a sum of positive squares in 3 ways, for example, as 121616784 + 46744569 = 11028^2 + 6837^2 .

It is not a de Polignac number, because 168361353 - 2⁶ = 168361289 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (168361393) 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 in 17 ways as a sum of consecutive naturals, for example, 159973 + ... + 161021.

It is an arithmetic number, because the mean of its divisors is an integer number (14318863).

Almost surely, 2^168361353 is an apocalyptic number.

It is an amenable number.

168361353 is a deficient number, since it is larger than the sum of its proper divisors (89378181).

168361353 is an equidigital number, since it uses as much as digits as its factorization.

168361353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121 (or 1069 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 168361353 is about 12975.4134038188. The cubic root of 168361353 is about 552.1801652764.

It can be divided in two parts, 1683 and 61353, that added together give a palindrome (63036).

The spelling of 168361353 in words is "one hundred sixty-eight million, three hundred sixty-one thousand, three hundred fifty-three".