665530795 has 8 divisors (see below), whose sum is σ = 798834096. Its totient is φ = 532293216.

The previous prime is 665530781. The next prime is 665530799. The reversal of 665530795 is 597035566.

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 665530795 - 2¹³ = 665522603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (665530799) 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, 9604 + ... + 37726.

It is an arithmetic number, because the mean of its divisors is an integer number (99854262).

Almost surely, 2^665530795 is an apocalyptic number.

665530795 is a deficient number, since it is larger than the sum of its proper divisors (133303301).

665530795 is a wasteful number, since it uses less digits than its factorization.

665530795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32861.

The product of its (nonzero) digits is 850500, while the sum is 46.

The square root of 665530795 is about 25797.8835372206. The cubic root of 665530795 is about 873.0840450457.

The spelling of 665530795 in words is "six hundred sixty-five million, five hundred thirty thousand, seven hundred ninety-five".