65464685566 has 16 divisors (see below), whose sum is σ = 112806657504. Its totient is φ = 27910923264.

The previous prime is 65464685477. The next prime is 65464685567. The reversal of 65464685566 is 66558646456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65464685567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12111415 + ... + 12116818.

It is an arithmetic number, because the mean of its divisors is an integer number (7050416094).

Almost surely, 2^65464685566 is an apocalyptic number.

65464685566 is a deficient number, since it is larger than the sum of its proper divisors (47341971938).

65464685566 is a wasteful number, since it uses less digits than its factorization.

65464685566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24228435.

The product of its digits is 124416000, while the sum is 61.

The spelling of 65464685566 in words is "sixty-five billion, four hundred sixty-four million, six hundred eighty-five thousand, five hundred sixty-six".