163950018 has 8 divisors (see below), whose sum is σ = 327900048. Its totient is φ = 54650004.

The previous prime is 163949999. The next prime is 163950019. The reversal of 163950018 is 810059361.

163950018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

163950018 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (163950019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13662496 + ... + 13662507.

It is an arithmetic number, because the mean of its divisors is an integer number (40987506).

Almost surely, 2^163950018 is an apocalyptic number.

163950018 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

163950018 is a wasteful number, since it uses less digits than its factorization.

163950018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27325008.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 163950018 is about 12804.2968569149. The cubic root of 163950018 is about 547.3147547857.

The spelling of 163950018 in words is "one hundred sixty-three million, nine hundred fifty thousand, eighteen".