65684148 has 12 divisors (see below), whose sum is σ = 153263040. Its totient is φ = 21894712.

The previous prime is 65684147. The next prime is 65684161. The reversal of 65684148 is 84148656.

65684148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65684147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2736828 + ... + 2736851.

It is an arithmetic number, because the mean of its divisors is an integer number (12771920).

Almost surely, 2^65684148 is an apocalyptic number.

It is an amenable number.

65684148 is an abundant number, since it is smaller than the sum of its proper divisors (87578892).

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

65684148 is a wasteful number, since it uses less digits than its factorization.

65684148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5473686 (or 5473684 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The square root of 65684148 is about 8104.5757446026. The cubic root of 65684148 is about 403.4783074377.

The spelling of 65684148 in words is "sixty-five million, six hundred eighty-four thousand, one hundred forty-eight".