665055003 has 8 divisors (see below), whose sum is σ = 895520016. Its totient is φ = 438980000.

The previous prime is 665054993. The next prime is 665055019. The reversal of 665055003 is 300550566.

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 665055003 - 2⁴ = 665054987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (665055073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1097148 + ... + 1097753.

It is an arithmetic number, because the mean of its divisors is an integer number (111940002).

Almost surely, 2^665055003 is an apocalyptic number.

665055003 is a deficient number, since it is larger than the sum of its proper divisors (230465013).

665055003 is a wasteful number, since it uses less digits than its factorization.

665055003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2195005.

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 665055003 is about 25788.6603568313. The cubic root of 665055003 is about 872.8759377532.

The spelling of 665055003 in words is "six hundred sixty-five million, fifty-five thousand, three".