65296306688 has 90 divisors (see below), whose sum is σ = 136662435987. Its totient is φ = 31165066240.

The previous prime is 65296306681. The next prime is 65296306729. The reversal of 65296306688 is 88660369256.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 32648153344 + 32648153344 = 180688^2 + 180688^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=180688.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65296306681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 132986123 + ... + 132986613.

Almost surely, 2^65296306688 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 65296306688

65296306688 is an abundant number, since it is smaller than the sum of its proper divisors (71366129299).

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

65296306688 is an frugal number, since it uses more digits than its factorization.

65296306688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 59.

The spelling of 65296306688 in words is "sixty-five billion, two hundred ninety-six million, three hundred six thousand, six hundred eighty-eight".