65216721060953 has 48 divisors (see below), whose sum is σ = 83056707917568. Its totient is φ = 50116466188800.

The previous prime is 65216721060943. The next prime is 65216721061033. The reversal of 65216721060953 is 35906012761256.

65216721060953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 65216721060953 - 2³² = 65212426093657 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65216721060895 and 65216721060904.

It is not an unprimeable number, because it can be changed into a prime (65216721060943) 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 47 ways as a sum of consecutive naturals, for example, 601004900 + ... + 601113402.

It is an arithmetic number, because the mean of its divisors is an integer number (1730348081616).

Almost surely, 2^{65216721060953} is an apocalyptic number.

It is an amenable number.

65216721060953 is a deficient number, since it is larger than the sum of its proper divisors (17839986856615).

65216721060953 is a wasteful number, since it uses less digits than its factorization.

65216721060953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118326 (or 118315 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 53.

The spelling of 65216721060953 in words is "sixty-five trillion, two hundred sixteen billion, seven hundred twenty-one million, sixty thousand, nine hundred fifty-three".