65834564 has 6 divisors (see below), whose sum is σ = 115210494. Its totient is φ = 32917280.

The previous prime is 65834543. The next prime is 65834597. The reversal of 65834564 is 46543856.

65834564 is digitally balanced in base 2 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 54878464 + 10956100 = 7408^2 + 3310^2 .

65834564 is strictly pandigital in base 9.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 8229317 + ... + 8229324.

It is an arithmetic number, because the mean of its divisors is an integer number (19201749).

Almost surely, 2^65834564 is an apocalyptic number.

It is an amenable number.

65834564 is a deficient number, since it is larger than the sum of its proper divisors (49375930).

65834564 is a wasteful number, since it uses less digits than its factorization.

65834564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16458645 (or 16458643 counting only the distinct ones).

The product of its digits is 345600, while the sum is 41.

The square root of 65834564 is about 8113.8501341841. The cubic root of 65834564 is about 403.7860596510.

The spelling of 65834564 in words is "sixty-five million, eight hundred thirty-four thousand, five hundred sixty-four".