65216753641 has 8 divisors (see below), whose sum is σ = 71727755904. Its totient is φ = 58919226960.

The previous prime is 65216753599. The next prime is 65216753653. The reversal of 65216753641 is 14635761256.

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 65216753641 - 2¹³ = 65216745449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65216753591 and 65216753600.

It is not an unprimeable number, because it can be changed into a prime (65216753671) 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, 53368255 + ... + 53369476.

It is an arithmetic number, because the mean of its divisors is an integer number (8965969488).

Almost surely, 2^65216753641 is an apocalyptic number.

It is an amenable number.

65216753641 is a deficient number, since it is larger than the sum of its proper divisors (6511002263).

65216753641 is a wasteful number, since it uses less digits than its factorization.

65216753641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106737791.

The product of its digits is 907200, while the sum is 46.

The spelling of 65216753641 in words is "sixty-five billion, two hundred sixteen million, seven hundred fifty-three thousand, six hundred forty-one".