652071665517 has 16 divisors (see below), whose sum is σ = 954979100160. Its totient is φ = 393928877232.

The previous prime is 652071665489. The next prime is 652071665521. The reversal of 652071665517 is 715566170256.

It is not a de Polignac number, because 652071665517 - 2¹⁰ = 652071664493 is a prime.

It is a super-2 number, since 2×652071665517² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 652071665517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652071665527) 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, 248691163 + ... + 248693784.

It is an arithmetic number, because the mean of its divisors is an integer number (59686193760).

Almost surely, 2^652071665517 is an apocalyptic number.

It is an amenable number.

652071665517 is a deficient number, since it is larger than the sum of its proper divisors (302907434643).

652071665517 is a wasteful number, since it uses less digits than its factorization.

652071665517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497384992.

The product of its (nonzero) digits is 2646000, while the sum is 51.

The spelling of 652071665517 in words is "six hundred fifty-two billion, seventy-one million, six hundred sixty-five thousand, five hundred seventeen".