168243301 has 8 divisors (see below), whose sum is σ = 169546104. Its totient is φ = 166944960.

The previous prime is 168243289. The next prime is 168243331. The reversal of 168243301 is 103342861.

It can be written as a sum of positive squares in 4 ways, for example, as 77422401 + 90820900 = 8799^2 + 9530^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 168243301 - 2¹¹ = 168241253 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 168243301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168243331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121851 + ... + 123223.

It is an arithmetic number, because the mean of its divisors is an integer number (21193263).

Almost surely, 2^168243301 is an apocalyptic number.

It is an amenable number.

168243301 is a deficient number, since it is larger than the sum of its proper divisors (1302803).

168243301 is a wasteful number, since it uses less digits than its factorization.

168243301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 168243301 is about 12970.8635410292. The cubic root of 168243301 is about 552.0510754479.

The spelling of 168243301 in words is "one hundred sixty-eight million, two hundred forty-three thousand, three hundred one".