163606120 has 16 divisors (see below), whose sum is σ = 368113860. Its totient is φ = 65442432.

The previous prime is 163606063. The next prime is 163606129. The reversal of 163606120 is 21606361.

It can be written as a sum of positive squares in 2 ways, for example, as 154107396 + 9498724 = 12414^2 + 3082^2 .

It is not an unprimeable number, because it can be changed into a prime (163606129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2045037 + ... + 2045116.

Almost surely, 2^163606120 is an apocalyptic number.

163606120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163606120 is an abundant number, since it is smaller than the sum of its proper divisors (204507740).

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

163606120 is a wasteful number, since it uses less digits than its factorization.

163606120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4090164 (or 4090160 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 163606120 is about 12790.8607998055. The cubic root of 163606120 is about 546.9318083898.

The spelling of 163606120 in words is "one hundred sixty-three million, six hundred six thousand, one hundred twenty".