65920568 has 16 divisors (see below), whose sum is σ = 141258480. Its totient is φ = 28251648.

The previous prime is 65920559. The next prime is 65920583. The reversal of 65920568 is 86502956.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 588521 + ... + 588632.

It is an arithmetic number, because the mean of its divisors is an integer number (8828655).

Almost surely, 2^65920568 is an apocalyptic number.

It is an amenable number.

65920568 is an abundant number, since it is smaller than the sum of its proper divisors (75337912).

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

65920568 is a wasteful number, since it uses less digits than its factorization.

65920568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177166 (or 1177162 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 65920568 is about 8119.1482311878. The cubic root of 65920568 is about 403.9618138596.

The spelling of 65920568 in words is "sixty-five million, nine hundred twenty thousand, five hundred sixty-eight".