163109712 has 40 divisors (see below), whose sum is σ = 421981920. Its totient is φ = 54290560.

The previous prime is 163109663. The next prime is 163109719. The reversal of 163109712 is 217901361.

163109712 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 163109712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163109719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37339 + ... + 41477.

It is an arithmetic number, because the mean of its divisors is an integer number (10549548).

Almost surely, 2^163109712 is an apocalyptic number.

163109712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

163109712 is an abundant number, since it is smaller than the sum of its proper divisors (258872208).

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

163109712 is a wasteful number, since it uses less digits than its factorization.

163109712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4971 (or 4965 counting only the distinct ones).

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

The square root of 163109712 is about 12771.4412655737. The cubic root of 163109712 is about 546.3780874935.

The spelling of 163109712 in words is "one hundred sixty-three million, one hundred nine thousand, seven hundred twelve".