65632648 has 16 divisors (see below), whose sum is σ = 130300380. Its totient is φ = 30885888.

The previous prime is 65632643. The next prime is 65632649. The reversal of 65632648 is 84623656.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 64995844 + 636804 = 8062^2 + 798^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 65632648.

It is not an unprimeable number, because it can be changed into a prime (65632643) 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, 241161 + ... + 241432.

Almost surely, 2^65632648 is an apocalyptic number.

65632648 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

65632648 is a deficient number, since it is larger than the sum of its proper divisors (64667732).

65632648 is a wasteful number, since it uses less digits than its factorization.

65632648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482616 (or 482612 counting only the distinct ones).

The product of its digits is 207360, while the sum is 40.

The square root of 65632648 is about 8101.3979040657. The cubic root of 65632648 is about 403.3728301067.

The spelling of 65632648 in words is "sixty-five million, six hundred thirty-two thousand, six hundred forty-eight".