65679816 has 32 divisors (see below), whose sum is σ = 164800800. Its totient is φ = 21813120.

The previous prime is 65679811. The next prime is 65679839. The reversal of 65679816 is 61897656.

65679816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (65679811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1875 + ... + 11613.

It is an arithmetic number, because the mean of its divisors is an integer number (5150025).

Almost surely, 2^65679816 is an apocalyptic number.

It is an amenable number.

65679816 is an abundant number, since it is smaller than the sum of its proper divisors (99120984).

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

65679816 is a wasteful number, since it uses less digits than its factorization.

65679816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10029 (or 10025 counting only the distinct ones).

The product of its digits is 544320, while the sum is 48.

The square root of 65679816 is about 8104.3084837634. The cubic root of 65679816 is about 403.4694371775.

The spelling of 65679816 in words is "sixty-five million, six hundred seventy-nine thousand, eight hundred sixteen".