665466232 has 32 divisors (see below), whose sum is σ = 1278385920. Its totient is φ = 324609120.

The previous prime is 665466223. The next prime is 665466233. The reversal of 665466232 is 232664566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (665466233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121783 + ... + 127129.

It is an arithmetic number, because the mean of its divisors is an integer number (39949560).

Almost surely, 2^665466232 is an apocalyptic number.

It is an amenable number.

665466232 is a deficient number, since it is larger than the sum of its proper divisors (612919688).

665466232 is a wasteful number, since it uses less digits than its factorization.

665466232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5731 (or 5727 counting only the distinct ones).

The product of its digits is 311040, while the sum is 40.

The square root of 665466232 is about 25796.6321832909. The cubic root of 665466232 is about 873.0558115673.

The spelling of 665466232 in words is "six hundred sixty-five million, four hundred sixty-six thousand, two hundred thirty-two".