147232596681 has 81 divisors (see below), whose sum is σ = 228437383629. Its totient is φ = 91371856752.

The previous prime is 147232596661. The next prime is 147232596713. The reversal of 147232596681 is 186695232741.

It is a happy number.

The square root of 147232596681 is 383709.

It is a perfect power (a square), and thus also a powerful number.

147232596681 is a `hidden beast` number, since 1 + 47 + 2 + 3 + 2 + 596 + 6 + 8 + 1 = 666.

147232596681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 147232596681 - 2⁵ = 147232596649 is a prime.

It is a super-2 number, since 2×147232596681² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (147232596611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1773886666 + ... + 1773886748.

Almost surely, 2^147232596681 is an apocalyptic number.

147232596681 is the 383709-th square number.

147232596681 is the 191855-th centered octagonal number.

It is an amenable number.

147232596681 is a deficient number, since it is larger than the sum of its proper divisors (81204786948).

147232596681 is an frugal number, since it uses more digits than its factorization.

147232596681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352 (or 176 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The spelling of 147232596681 in words is "one hundred forty-seven billion, two hundred thirty-two million, five hundred ninety-six thousand, six hundred eighty-one".