65681682 has 32 divisors (see below), whose sum is σ = 143679744. Its totient is φ = 19851600.

The previous prime is 65681669. The next prime is 65681687. The reversal of 65681682 is 28618656.

65681682 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (65681687) 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 15 ways as a sum of consecutive naturals, for example, 29757 + ... + 31887.

It is an arithmetic number, because the mean of its divisors is an integer number (4489992).

Almost surely, 2^65681682 is an apocalyptic number.

65681682 is an abundant number, since it is smaller than the sum of its proper divisors (77998062).

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

65681682 is a wasteful number, since it uses less digits than its factorization.

65681682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2614.

The product of its digits is 138240, while the sum is 42.

The square root of 65681682 is about 8104.4236068952. The cubic root of 65681682 is about 403.4732580715.

The spelling of 65681682 in words is "sixty-five million, six hundred eighty-one thousand, six hundred eighty-two".