666324632 has 16 divisors (see below), whose sum is σ = 1253777640. Its totient is φ = 331983936.

The previous prime is 666324569. The next prime is 666324641. The reversal of 666324632 is 236423666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144893 + ... + 149420.

Almost surely, 2^666324632 is an apocalyptic number.

It is an amenable number.

666324632 is a deficient number, since it is larger than the sum of its proper divisors (587453008).

666324632 is a wasteful number, since it uses less digits than its factorization.

666324632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294602 (or 294598 counting only the distinct ones).

The product of its digits is 186624, while the sum is 38.

The square root of 666324632 is about 25813.2646521125. The cubic root of 666324632 is about 873.4310417779.

The spelling of 666324632 in words is "six hundred sixty-six million, three hundred twenty-four thousand, six hundred thirty-two".