163427318 has 8 divisors (see below), whose sum is σ = 247895640. Its totient is φ = 80795440.

The previous prime is 163427317. The next prime is 163427359. The reversal of 163427318 is 813724361.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163427311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458888 + ... + 459243.

It is an arithmetic number, because the mean of its divisors is an integer number (30986955).

Almost surely, 2^163427318 is an apocalyptic number.

163427318 is a deficient number, since it is larger than the sum of its proper divisors (84468322).

163427318 is an equidigital number, since it uses as much as digits as its factorization.

163427318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918222.

The product of its digits is 24192, while the sum is 35.

The square root of 163427318 is about 12783.8694455161. The cubic root of 163427318 is about 546.7324919909.

The spelling of 163427318 in words is "one hundred sixty-three million, four hundred twenty-seven thousand, three hundred eighteen".