168073307 has 4 divisors (see below), whose sum is σ = 168175680. Its totient is φ = 167970936.

The previous prime is 168073291. The next prime is 168073331. The reversal of 168073307 is 703370861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 703370861 = 19 ⋅37019519.

It is a cyclic number.

It is not a de Polignac number, because 168073307 - 2⁴ = 168073291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168073907) 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 3 ways as a sum of consecutive naturals, for example, 48683 + ... + 52020.

It is an arithmetic number, because the mean of its divisors is an integer number (42043920).

Almost surely, 2^168073307 is an apocalyptic number.

168073307 is a deficient number, since it is larger than the sum of its proper divisors (102373).

168073307 is a wasteful number, since it uses less digits than its factorization.

168073307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102372.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 168073307 is about 12964.3089673148. The cubic root of 168073307 is about 551.8650809288.

The spelling of 168073307 in words is "one hundred sixty-eight million, seventy-three thousand, three hundred seven".