65332677760 has 128 divisors (see below), whose sum is σ = 181013149440. Its totient is φ = 22084177920.

The previous prime is 65332677733. The next prime is 65332677769. The reversal of 65332677760 is 6777623356.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 65332677698 and 65332677707.

It is not an unprimeable number, because it can be changed into a prime (65332677769) 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, 215382 + ... + 420778.

It is an arithmetic number, because the mean of its divisors is an integer number (1414165230).

Almost surely, 2^65332677760 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 65332677760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90506574720).

65332677760 is an abundant number, since it is smaller than the sum of its proper divisors (115680471680).

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

65332677760 is a wasteful number, since it uses less digits than its factorization.

65332677760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205494 (or 205482 counting only the distinct ones).

The product of its (nonzero) digits is 6667920, while the sum is 52.

The spelling of 65332677760 in words is "sixty-five billion, three hundred thirty-two million, six hundred seventy-seven thousand, seven hundred sixty".