65568938 has 8 divisors (see below), whose sum is σ = 98445888. Its totient is φ = 32753644.

The previous prime is 65568911. The next prime is 65568967. The reversal of 65568938 is 83986556.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12656 + ... + 17067.

It is an arithmetic number, because the mean of its divisors is an integer number (12305736).

Almost surely, 2^65568938 is an apocalyptic number.

65568938 is a deficient number, since it is larger than the sum of its proper divisors (32876950).

65568938 is a wasteful number, since it uses less digits than its factorization.

65568938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30828.

The product of its digits is 1555200, while the sum is 50.

The square root of 65568938 is about 8097.4649119339. The cubic root of 65568938 is about 403.2422690540.

The spelling of 65568938 in words is "sixty-five million, five hundred sixty-eight thousand, nine hundred thirty-eight".