665132632 has 16 divisors (see below), whose sum is σ = 1290128400. Its totient is φ = 321098400.

The previous prime is 665132623. The next prime is 665132647. The reversal of 665132632 is 236231566.

665132632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1433244 + ... + 1433707.

It is an arithmetic number, because the mean of its divisors is an integer number (80633025).

Almost surely, 2^665132632 is an apocalyptic number.

It is an amenable number.

665132632 is a deficient number, since it is larger than the sum of its proper divisors (624995768).

665132632 is a wasteful number, since it uses less digits than its factorization.

665132632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2866986 (or 2866982 counting only the distinct ones).

The product of its digits is 38880, while the sum is 34.

The square root of 665132632 is about 25790.1654124203. The cubic root of 665132632 is about 872.9098987788.

The spelling of 665132632 in words is "six hundred sixty-five million, one hundred thirty-two thousand, six hundred thirty-two".