168020313 has 8 divisors (see below), whose sum is σ = 233767488. Its totient is φ = 107143344.

The previous prime is 168020311. The next prime is 168020317. The reversal of 168020313 is 313020861.

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

It is not a de Polignac number, because 168020313 - 2¹ = 168020311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (168020311) 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, 1217470 + ... + 1217607.

It is an arithmetic number, because the mean of its divisors is an integer number (29220936).

Almost surely, 2^168020313 is an apocalyptic number.

It is an amenable number.

168020313 is a deficient number, since it is larger than the sum of its proper divisors (65747175).

168020313 is a wasteful number, since it uses less digits than its factorization.

168020313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2435103.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 168020313 is about 12962.2649641180. The cubic root of 168020313 is about 551.8070732795.

The spelling of 168020313 in words is "one hundred sixty-eight million, twenty thousand, three hundred thirteen".