2066648 has 8 divisors (see below), whose sum is σ = 3874980. Its totient is φ = 1033320.

The previous prime is 2066641. The next prime is 2066653. The reversal of 2066648 is 8466602.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066641) 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 as a sum of consecutive naturals, namely, 129158 + ... + 129173.

2^2066648 is an apocalyptic number.

It is an amenable number.

2066648 is a deficient number, since it is larger than the sum of its proper divisors (1808332).

2066648 is a wasteful number, since it uses less digits than its factorization.

2066648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258337 (or 258333 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 2066648 is about 1437.5840844973. The cubic root of 2066648 is about 127.3763609845.

The spelling of 2066648 in words is "two million, sixty-six thousand, six hundred forty-eight".