664411532 has 36 divisors (see below), whose sum is σ = 1237596360. Its totient is φ = 311241600.

The previous prime is 664411483. The next prime is 664411541. The reversal of 664411532 is 235114466.

664411532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 774848 + ... + 775704.

Almost surely, 2^664411532 is an apocalyptic number.

It is an amenable number.

664411532 is a deficient number, since it is larger than the sum of its proper divisors (573184828).

664411532 is a wasteful number, since it uses less digits than its factorization.

664411532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082 (or 979 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 664411532 is about 25776.1814860153. The cubic root of 664411532 is about 872.5943311720.

Adding to 664411532 its reverse (235114466), we get a palindrome (899525998).

The spelling of 664411532 in words is "six hundred sixty-four million, four hundred eleven thousand, five hundred thirty-two".