163105284 has 12 divisors (see below), whose sum is σ = 380579024. Its totient is φ = 54368424.

The previous prime is 163105279. The next prime is 163105289. The reversal of 163105284 is 482501361.

It is an interprime number because it is at equal distance from previous prime (163105279) and next prime (163105289).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×163105284³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (163105289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6796042 + ... + 6796065.

Almost surely, 2^163105284 is an apocalyptic number.

It is an amenable number.

163105284 is an abundant number, since it is smaller than the sum of its proper divisors (217473740).

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

163105284 is a wasteful number, since it uses less digits than its factorization.

163105284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13592114 (or 13592112 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 163105284 is about 12771.2679088648. The cubic root of 163105284 is about 546.3731432057.

The spelling of 163105284 in words is "one hundred sixty-three million, one hundred five thousand, two hundred eighty-four".