65016642207331 has 16 divisors (see below), whose sum is σ = 65951986987008. Its totient is φ = 64082520532800.

The previous prime is 65016642207281. The next prime is 65016642207337. The reversal of 65016642207331 is 13370224661056.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65016642207331 is a prime.

It is a super-3 number, since 3×65016642207331³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65016642207337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 670841766 + ... + 670938676.

It is an arithmetic number, because the mean of its divisors is an integer number (4121999186688).

Almost surely, 2^{65016642207331} is an apocalyptic number.

65016642207331 is a deficient number, since it is larger than the sum of its proper divisors (935344779677).

65016642207331 is a wasteful number, since it uses less digits than its factorization.

65016642207331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103122.

The product of its (nonzero) digits is 1088640, while the sum is 46.

Adding to 65016642207331 its reverse (13370224661056), we get a palindrome (78386866868387).

The spelling of 65016642207331 in words is "sixty-five trillion, sixteen billion, six hundred forty-two million, two hundred seven thousand, three hundred thirty-one".