168943313 has 8 divisors (see below), whose sum is σ = 210630720. Its totient is φ = 131644080.

The previous prime is 168943289. The next prime is 168943337. The reversal of 168943313 is 313349861.

It is a happy number.

168943313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (168943289) and next prime (168943337).

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 168943313 - 2²² = 164749009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168943363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1096958 + ... + 1097111.

It is an arithmetic number, because the mean of its divisors is an integer number (26328840).

Almost surely, 2^168943313 is an apocalyptic number.

It is an amenable number.

168943313 is a deficient number, since it is larger than the sum of its proper divisors (41687407).

168943313 is a wasteful number, since it uses less digits than its factorization.

168943313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2194087.

The product of its digits is 46656, while the sum is 38.

The square root of 168943313 is about 12997.8195479088. The cubic root of 168943313 is about 552.8156579544.

The spelling of 168943313 in words is "one hundred sixty-eight million, nine hundred forty-three thousand, three hundred thirteen".