163170144 has 36 divisors (see below), whose sum is σ = 464015916. Its totient is φ = 54389952.

The previous prime is 163170127. The next prime is 163170169. The reversal of 163170144 is 441071361.

It is a happy number.

163170144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 282994 + ... + 283569.

It is an arithmetic number, because the mean of its divisors is an integer number (12889331).

Almost surely, 2^163170144 is an apocalyptic number.

It is an amenable number.

163170144 is an abundant number, since it is smaller than the sum of its proper divisors (300845772).

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

163170144 is a wasteful number, since it uses less digits than its factorization.

163170144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566579 (or 566568 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 163170144 is about 12773.8069501617. The cubic root of 163170144 is about 546.4455566899.

The spelling of 163170144 in words is "one hundred sixty-three million, one hundred seventy thousand, one hundred forty-four".