65463522560 has 72 divisors (see below), whose sum is σ = 156876722016. Its totient is φ = 26173532160.

The previous prime is 65463522539. The next prime is 65463522569. The reversal of 65463522560 is 6522536456.

65463522560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65463522569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3147395 + ... + 3168125.

Almost surely, 2^65463522560 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 65463522560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78438361008).

65463522560 is an abundant number, since it is smaller than the sum of its proper divisors (91413199456).

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

65463522560 is a wasteful number, since it uses less digits than its factorization.

65463522560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23219 (or 23205 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 44.

The spelling of 65463522560 in words is "sixty-five billion, four hundred sixty-three million, five hundred twenty-two thousand, five hundred sixty".