166648 has 16 divisors (see below), whose sum is σ = 321480. Its totient is φ = 80928.

The previous prime is 166643. The next prime is 166657. The reversal of 166648 is 846661.

166648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166643) 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, 15 + ... + 577.

2¹⁶⁶⁶⁴⁸ is an apocalyptic number.

It is an amenable number.

166648 is a deficient number, since it is larger than the sum of its proper divisors (154832).

166648 is a wasteful number, since it uses less digits than its factorization.

166648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606 (or 602 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 166648 is about 408.2254279194. The cubic root of 166648 is about 55.0300662057.

The spelling of 166648 in words is "one hundred sixty-six thousand, six hundred forty-eight".