65636816052 has 24 divisors (see below), whose sum is σ = 153172607616. Its totient is φ = 21876076288.

The previous prime is 65636815967. The next prime is 65636816059. The reversal of 65636816052 is 25061863656.

It is a junction number, because it is equal to n+sod(n) for n = 65636815992 and 65636816010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65636816059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261213 + ... + 446660.

It is an arithmetic number, because the mean of its divisors is an integer number (6382191984).

Almost surely, 2^65636816052 is an apocalyptic number.

It is an amenable number.

65636816052 is an abundant number, since it is smaller than the sum of its proper divisors (87535791564).

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

65636816052 is a wasteful number, since it uses less digits than its factorization.

65636816052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715607 (or 715605 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 65636816052 in words is "sixty-five billion, six hundred thirty-six million, eight hundred sixteen thousand, fifty-two".