65564315345312 has 96 divisors (see below), whose sum is σ = 147742767244800. Its totient is φ = 28056535960320.

The previous prime is 65564315345297. The next prime is 65564315345317. The reversal of 65564315345312 is 21354351346556.

It is a super-3 number, since 3×65564315345312³ (a number of 42 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (65564315345317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415129463 + ... + 415287369.

It is an arithmetic number, because the mean of its divisors is an integer number (1538987158800).

Almost surely, 2^{65564315345312} is an apocalyptic number.

It is an amenable number.

65564315345312 is an abundant number, since it is smaller than the sum of its proper divisors (82178451899488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65564315345312 is a wasteful number, since it uses less digits than its factorization.

65564315345312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160714 (or 160706 counting only the distinct ones).

The product of its digits is 19440000, while the sum is 53.

The spelling of 65564315345312 in words is "sixty-five trillion, five hundred sixty-four billion, three hundred fifteen million, three hundred forty-five thousand, three hundred twelve".