65066605513 has 8 divisors (see below), whose sum is σ = 80081976128. Its totient is φ = 51481270224.

The previous prime is 65066605507. The next prime is 65066605543. The reversal of 65066605513 is 31550666056.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65066605513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65066605513.

It is not an unprimeable number, because it can be changed into a prime (65066605543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357508731 + ... + 357508912.

It is an arithmetic number, because the mean of its divisors is an integer number (10010247016).

Almost surely, 2^65066605513 is an apocalyptic number.

It is an amenable number.

65066605513 is a deficient number, since it is larger than the sum of its proper divisors (15015370615).

65066605513 is a wasteful number, since it uses less digits than its factorization.

65066605513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715017663.

The product of its (nonzero) digits is 486000, while the sum is 43.

The spelling of 65066605513 in words is "sixty-five billion, sixty-six million, six hundred five thousand, five hundred thirteen".