163273307 has 4 divisors (see below), whose sum is σ = 163311936. Its totient is φ = 163234680.

The previous prime is 163273301. The next prime is 163273339. The reversal of 163273307 is 703372361.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163273307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163273301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12068 + ... + 21729.

It is an arithmetic number, because the mean of its divisors is an integer number (40827984).

Almost surely, 2^163273307 is an apocalyptic number.

163273307 is a deficient number, since it is larger than the sum of its proper divisors (38629).

163273307 is an equidigital number, since it uses as much as digits as its factorization.

163273307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38628.

The product of its (nonzero) digits is 15876, while the sum is 32.

The square root of 163273307 is about 12777.8443800197. The cubic root of 163273307 is about 546.5606943520.

The spelling of 163273307 in words is "one hundred sixty-three million, two hundred seventy-three thousand, three hundred seven".