65676755636 has 6 divisors (see below), whose sum is σ = 114934322370. Its totient is φ = 32838377816.

The previous prime is 65676755621. The next prime is 65676755671. The reversal of 65676755636 is 63655767656.

It is a happy number.

65676755636 is digitally balanced in base 2, because in such base 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., 38276574736 + 27400180900 = 195644^2 + 165530^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8209594451 + ... + 8209594458.

It is an arithmetic number, because the mean of its divisors is an integer number (19155720395).

Almost surely, 2^65676755636 is an apocalyptic number.

It is an amenable number.

65676755636 is a deficient number, since it is larger than the sum of its proper divisors (49257566734).

65676755636 is a wasteful number, since it uses less digits than its factorization.

65676755636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16419188913 (or 16419188911 counting only the distinct ones).

The product of its digits is 142884000, while the sum is 62.

The spelling of 65676755636 in words is "sixty-five billion, six hundred seventy-six million, seven hundred fifty-five thousand, six hundred thirty-six".