665386314 has 8 divisors (see below), whose sum is σ = 1330772640. Its totient is φ = 221795436.

The previous prime is 665386303. The next prime is 665386321. The reversal of 665386314 is 413683566.

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

665386314 is an admirable 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, 55448854 + ... + 55448865.

It is an arithmetic number, because the mean of its divisors is an integer number (166346580).

Almost surely, 2^665386314 is an apocalyptic number.

665386314 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

665386314 is a wasteful number, since it uses less digits than its factorization.

665386314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110897724.

The product of its digits is 311040, while the sum is 42.

The square root of 665386314 is about 25795.0831361327. The cubic root of 665386314 is about 873.0208607993.

The spelling of 665386314 in words is "six hundred sixty-five million, three hundred eighty-six thousand, three hundred fourteen".