65889648 has 60 divisors (see below), whose sum is σ = 201167928. Its totient is φ = 19966080.

The previous prime is 65889643. The next prime is 65889661. The reversal of 65889648 is 84698856.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 65889594 and 65889603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65889643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19215 + ... + 22382.

Almost surely, 2^65889648 is an apocalyptic number.

It is an amenable number.

65889648 is an abundant number, since it is smaller than the sum of its proper divisors (135278280).

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

65889648 is a wasteful number, since it uses less digits than its factorization.

65889648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41622 (or 41613 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The square root of 65889648 is about 8117.2438672249. The cubic root of 65889648 is about 403.8986446392.

The spelling of 65889648 in words is "sixty-five million, eight hundred eighty-nine thousand, six hundred forty-eight".