163606606 has 32 divisors (see below), whose sum is σ = 274613760. Its totient is φ = 72648576.

The previous prime is 163606571. The next prime is 163606609. The reversal of 163606606 is 606606361.

It is a happy number.

163606606 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163606609) 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 15 ways as a sum of consecutive naturals, for example, 298825 + ... + 299371.

It is an arithmetic number, because the mean of its divisors is an integer number (8581680).

Almost surely, 2^163606606 is an apocalyptic number.

163606606 is a deficient number, since it is larger than the sum of its proper divisors (111007154).

163606606 is a wasteful number, since it uses less digits than its factorization.

163606606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 163606606 is about 12790.8797977309. The cubic root of 163606606 is about 546.9323499518.

The spelling of 163606606 in words is "one hundred sixty-three million, six hundred six thousand, six hundred six".