163170912 has 48 divisors (see below), whose sum is σ = 429226560. Its totient is φ = 54275712.

The previous prime is 163170911. The next prime is 163170919. The reversal of 163170912 is 219071361.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 163170912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163170911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52539 + ... + 55557.

It is an arithmetic number, because the mean of its divisors is an integer number (8942220).

Almost surely, 2^163170912 is an apocalyptic number.

163170912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

163170912 is an abundant number, since it is smaller than the sum of its proper divisors (266055648).

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

163170912 is a wasteful number, since it uses less digits than its factorization.

163170912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3595 (or 3587 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 163170912 is about 12773.8370116422. The cubic root of 163170912 is about 546.4464140149.

It can be divided in two parts, 1631709 and 12, that added together give a triangular number (1631721 = T₁₈₀₆).

The spelling of 163170912 in words is "one hundred sixty-three million, one hundred seventy thousand, nine hundred twelve".