65630640423076 has 27 divisors (see below), whose sum is σ = 115286711762187. Its totient is φ = 32692043125080.

The previous prime is 65630640423037. The next prime is 65630640423079. The reversal of 65630640423076 is 67032404603656.

The square root of 65630640423076 is 8101274.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65630640423079) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4390883035 + ... + 4390897981.

Almost surely, 2^{65630640423076} is an apocalyptic number.

65630640423076 is the 8101274-th square number.

It is an amenable number.

65630640423076 is a deficient number, since it is larger than the sum of its proper divisors (49656071339111).

65630640423076 is an frugal number, since it uses more digits than its factorization.

65630640423076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30440 (or 15220 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 52.

The spelling of 65630640423076 in words is "sixty-five trillion, six hundred thirty billion, six hundred forty million, four hundred twenty-three thousand, seventy-six".