65632521126132 has 18 divisors (see below), whose sum is σ = 165904428402258. Its totient is φ = 21877507042032.

The previous prime is 65632521126103. The next prime is 65632521126149. The reversal of 65632521126132 is 23162112523656.

65632521126132 is a `hidden beast` number, since 6 + 5 + 6 + 3 + 2 + 5 + 21 + 1 + 2 + 613 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 65629344225636 + 3176900496 = 8101194^2 + 56364^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 911562793383 + ... + 911562793454.

Almost surely, 2^{65632521126132} is an apocalyptic number.

It is an amenable number.

65632521126132 is an abundant number, since it is smaller than the sum of its proper divisors (100271907276126).

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

65632521126132 is a wasteful number, since it uses less digits than its factorization.

65632521126132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823125586847 (or 1823125586842 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

Adding to 65632521126132 its reverse (23162112523656), we get a palindrome (88794633649788).

The spelling of 65632521126132 in words is "sixty-five trillion, six hundred thirty-two billion, five hundred twenty-one million, one hundred twenty-six thousand, one hundred thirty-two".