232661032661 has 2 divisors, whose sum is σ = 232661032662. Its totient is φ = 232661032660.

The previous prime is 232661032657. The next prime is 232661032673. The reversal of 232661032661 is 166230166232.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 215050150225 + 17610882436 = 463735^2 + 132706^2 .

It is a cyclic number.

It is not a de Polignac number, because 232661032661 - 2² = 232661032657 is a prime.

It is a super-2 number, since 2×232661032661² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232661032621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116330516330 + 116330516331.

It is an arithmetic number, because the mean of its divisors is an integer number (116330516331).

Almost surely, 2^232661032661 is an apocalyptic number.

It is an amenable number.

232661032661 is a deficient number, since it is larger than the sum of its proper divisors (1).

232661032661 is an equidigital number, since it uses as much as digits as its factorization.

232661032661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 38.

Adding to 232661032661 its reverse (166230166232), we get a palindrome (398891198893).

The spelling of 232661032661 in words is "two hundred thirty-two billion, six hundred sixty-one million, thirty-two thousand, six hundred sixty-one".