65304340656016 has 160 divisors (see below), whose sum is σ = 157899427504128. Its totient is φ = 25418862443520.

The previous prime is 65304340656013. The next prime is 65304340656031. The reversal of 65304340656016 is 61065604340356.

It is not an unprimeable number, because it can be changed into a prime (65304340656013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8611936161 + ... + 8611943743.

Almost surely, 2^{65304340656016} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65304340656016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78949713752064).

65304340656016 is an abundant number, since it is smaller than the sum of its proper divisors (92595086848112).

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

65304340656016 is a wasteful number, since it uses less digits than its factorization.

65304340656016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13389 (or 13383 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 49.

The spelling of 65304340656016 in words is "sixty-five trillion, three hundred four billion, three hundred forty million, six hundred fifty-six thousand, sixteen".