666927332 has 12 divisors (see below), whose sum is σ = 1167578496. Its totient is φ = 333333480.

The previous prime is 666927319. The next prime is 666927409. The reversal of 666927332 is 233729666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20528 + ... + 41895.

It is an arithmetic number, because the mean of its divisors is an integer number (97298208).

Almost surely, 2^666927332 is an apocalyptic number.

It is an amenable number.

666927332 is a deficient number, since it is larger than the sum of its proper divisors (500651164).

666927332 is a wasteful number, since it uses less digits than its factorization.

666927332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65098 (or 65096 counting only the distinct ones).

The product of its digits is 489888, while the sum is 44.

The square root of 666927332 is about 25824.9362438710. The cubic root of 666927332 is about 873.6943059719.

The spelling of 666927332 in words is "six hundred sixty-six million, nine hundred twenty-seven thousand, three hundred thirty-two".