201648 has 20 divisors (see below), whose sum is σ = 521048. Its totient is φ = 67200.

The previous prime is 201629. The next prime is 201653. The reversal of 201648 is 846102.

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2053 + ... + 2148.

201648 is a Friedman number, since it can be written as 4201*8*6, using all its digits and the basic arithmetic operations.

2²⁰¹⁶⁴⁸ is an apocalyptic number.

It is an amenable number.

201648 is an abundant number, since it is smaller than the sum of its proper divisors (319400).

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

201648 is a wasteful number, since it uses less digits than its factorization.

201648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4212 (or 4206 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 201648 is about 449.0523354800. The cubic root of 201648 is about 58.6405416278.

The spelling of 201648 in words is "two hundred one thousand, six hundred forty-eight".