65641076445696 has 40 divisors (see below), whose sum is σ = 174871930222704. Its totient is φ = 21880358814720.

The previous prime is 65641076445673. The next prime is 65641076445709. The reversal of 65641076445696 is 69654467014656.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 65641076445696.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21367536370 + ... + 21367539441.

Almost surely, 2^{65641076445696} is an apocalyptic number.

It is an amenable number.

65641076445696 is an abundant number, since it is smaller than the sum of its proper divisors (109230853777008).

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

65641076445696 is an equidigital number, since it uses as much as digits as its factorization.

65641076445696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42735075832 (or 42735075816 counting only the distinct ones).

The product of its (nonzero) digits is 783820800, while the sum is 69.

The spelling of 65641076445696 in words is "sixty-five trillion, six hundred forty-one billion, seventy-six million, four hundred forty-five thousand, six hundred ninety-six".