665346232 has 8 divisors (see below), whose sum is σ = 1247524200. Its totient is φ = 332673112.

The previous prime is 665346169. The next prime is 665346233. The reversal of 665346232 is 232643566.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 665346191 and 665346200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (665346233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41584132 + ... + 41584147.

It is an arithmetic number, because the mean of its divisors is an integer number (155940525).

Almost surely, 2^665346232 is an apocalyptic number.

It is an amenable number.

665346232 is a deficient number, since it is larger than the sum of its proper divisors (582177968).

665346232 is a wasteful number, since it uses less digits than its factorization.

665346232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83168285 (or 83168281 counting only the distinct ones).

The product of its digits is 155520, while the sum is 37.

The square root of 665346232 is about 25794.3061934218. The cubic root of 665346232 is about 873.0033305696.

Adding to 665346232 its reverse (232643566), we get a palindrome (897989798).

The spelling of 665346232 in words is "six hundred sixty-five million, three hundred forty-six thousand, two hundred thirty-two".