201608 has 32 divisors (see below), whose sum is σ = 432000. Its totient is φ = 87360.

The previous prime is 201599. The next prime is 201611. The reversal of 201608 is 806102.

It is an unprimeable number.

201608 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2513 + ... + 2591.

It is an arithmetic number, because the mean of its divisors is an integer number (13500).

2²⁰¹⁶⁰⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216000).

201608 is an abundant number, since it is smaller than the sum of its proper divisors (230392).

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

201608 is a wasteful number, since it uses less digits than its factorization.

201608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 201608 is about 449.0077950326. The cubic root of 201608 is about 58.6366639519.

The spelling of 201608 in words is "two hundred one thousand, six hundred eight".