666032313 has 8 divisors (see below), whose sum is σ = 890899776. Its totient is φ = 442593200.

The previous prime is 666032267. The next prime is 666032317. The reversal of 666032313 is 313230666.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 666032313 - 2¹² = 666028217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (666032317) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 355998 + ... + 357863.

It is an arithmetic number, because the mean of its divisors is an integer number (111362472).

Almost surely, 2^666032313 is an apocalyptic number.

It is an amenable number.

666032313 is a deficient number, since it is larger than the sum of its proper divisors (224867463).

666032313 is a wasteful number, since it uses less digits than its factorization.

666032313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714175.

The product of its (nonzero) digits is 11664, while the sum is 30.

The square root of 666032313 is about 25807.6018451928. The cubic root of 666032313 is about 873.3032973212.

Adding to 666032313 its reverse (313230666), we get a palindrome (979262979).

The spelling of 666032313 in words is "six hundred sixty-six million, thirty-two thousand, three hundred thirteen".