65948656 has 20 divisors (see below), whose sum is σ = 131898304. Its totient is φ = 31910400.

The previous prime is 65948629. The next prime is 65948669. The reversal of 65948656 is 65684956.

It is a happy number.

65948656 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65985 + ... + 66976.

Almost surely, 2^65948656 is an apocalyptic number.

It is an amenable number.

65948656 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

65948656 is a wasteful number, since it uses less digits than its factorization.

65948656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133000 (or 132994 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 49.

The square root of 65948656 is about 8120.8777850673. The cubic root of 65948656 is about 404.0191802154.

The spelling of 65948656 in words is "sixty-five million, nine hundred forty-eight thousand, six hundred fifty-six".