163144812 has 24 divisors (see below), whose sum is σ = 387855216. Its totient is φ = 53355328.

The previous prime is 163144757. The next prime is 163144829. The reversal of 163144812 is 218441361.

163144812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 163144812.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127623 + ... + 128894.

It is an arithmetic number, because the mean of its divisors is an integer number (16160634).

Almost surely, 2^163144812 is an apocalyptic number.

163144812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

163144812 is an abundant number, since it is smaller than the sum of its proper divisors (224710404).

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

163144812 is a wasteful number, since it uses less digits than its factorization.

163144812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256577 (or 256575 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 163144812 is about 12772.8153513624. The cubic root of 163144812 is about 546.4172768529.

The spelling of 163144812 in words is "one hundred sixty-three million, one hundred forty-four thousand, eight hundred twelve".