65563661014 has 16 divisors (see below), whose sum is σ = 104659112448. Its totient is φ = 30696867712.

The previous prime is 65563660949. The next prime is 65563661047. The reversal of 65563661014 is 41016636556.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4887574 + ... + 4900969.

It is an arithmetic number, because the mean of its divisors is an integer number (6541194528).

Almost surely, 2^65563661014 is an apocalyptic number.

65563661014 is a deficient number, since it is larger than the sum of its proper divisors (39095451434).

65563661014 is a wasteful number, since it uses less digits than its factorization.

65563661014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9788759.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 65563661014 in words is "sixty-five billion, five hundred sixty-three million, six hundred sixty-one thousand, fourteen".