65368745663 has 8 divisors (see below), whose sum is σ = 70408787568. Its totient is φ = 60330371904.

The previous prime is 65368745657. The next prime is 65368745731. The reversal of 65368745663 is 36654786356.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65368745663 - 2⁴ = 65368745647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65368745063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335045 + ... + 492942.

It is an arithmetic number, because the mean of its divisors is an integer number (8801098446).

Almost surely, 2^65368745663 is an apocalyptic number.

65368745663 is a deficient number, since it is larger than the sum of its proper divisors (5040041905).

65368745663 is a wasteful number, since it uses less digits than its factorization.

65368745663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834073.

The product of its digits is 65318400, while the sum is 59.

The spelling of 65368745663 in words is "sixty-five billion, three hundred sixty-eight million, seven hundred forty-five thousand, six hundred sixty-three".