65608103232 has 168 divisors, whose sum is σ = 217946581632. Its totient is φ = 18481075200.

The previous prime is 65608103219. The next prime is 65608103233. The reversal of 65608103232 is 23230180656.

It is a happy number.

65608103232 is a `hidden beast` number, since 6 + 5 + 608 + 10 + 3 + 2 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65608103233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 171682 + ... + 400862.

Almost surely, 2^65608103232 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 65608103232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108973290816).

65608103232 is an abundant number, since it is smaller than the sum of its proper divisors (152338478400).

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

65608103232 is a wasteful number, since it uses less digits than its factorization.

65608103232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229277 (or 229264 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 65608103232 its reverse (23230180656), we get a palindrome (88838283888).

The spelling of 65608103232 in words is "sixty-five billion, six hundred eight million, one hundred three thousand, two hundred thirty-two".