65681760096 has 72 divisors (see below), whose sum is σ = 187058957904. Its totient is φ = 21861515520.

The previous prime is 65681760071. The next prime is 65681760101. The reversal of 65681760096 is 69006718656.

65681760096 is a `hidden beast` number, since 6 + 568 + 1 + 76 + 0 + 0 + 9 + 6 = 666.

65681760096 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26541 + ... + 363411.

It is an arithmetic number, because the mean of its divisors is an integer number (2598041082).

Almost surely, 2^65681760096 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 65681760096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93529478952).

65681760096 is an abundant number, since it is smaller than the sum of its proper divisors (121377197808).

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

65681760096 is a wasteful number, since it uses less digits than its factorization.

65681760096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337564 (or 337553 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 65681760096 in words is "sixty-five billion, six hundred eighty-one million, seven hundred sixty thousand, ninety-six".