163248918 has 32 divisors (see below), whose sum is σ = 377871360. Its totient is φ = 46051200.

The previous prime is 163248913. The next prime is 163248947. The reversal of 163248918 is 819842361.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 163248918.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163248913) 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 15 ways as a sum of consecutive naturals, for example, 21283 + ... + 27918.

It is an arithmetic number, because the mean of its divisors is an integer number (11808480).

Almost surely, 2^163248918 is an apocalyptic number.

163248918 is an abundant number, since it is smaller than the sum of its proper divisors (214622442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163248918 is a wasteful number, since it uses less digits than its factorization.

163248918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49292.

The product of its digits is 82944, while the sum is 42.

The square root of 163248918 is about 12776.8899971785. The cubic root of 163248918 is about 546.5334787734.

The spelling of 163248918 in words is "one hundred sixty-three million, two hundred forty-eight thousand, nine hundred eighteen".