665282830 has 8 divisors (see below), whose sum is σ = 1197509112. Its totient is φ = 266113128.

The previous prime is 665282809. The next prime is 665282837. The reversal of 665282830 is 38282566.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (665282837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33264132 + ... + 33264151.

It is an arithmetic number, because the mean of its divisors is an integer number (149688639).

Almost surely, 2^665282830 is an apocalyptic number.

665282830 is a deficient number, since it is larger than the sum of its proper divisors (532226282).

665282830 is a wasteful number, since it uses less digits than its factorization.

665282830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66528290.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 665282830 is about 25793.0771719855. The cubic root of 665282830 is about 872.9755996866.

The spelling of 665282830 in words is "six hundred sixty-five million, two hundred eighty-two thousand, eight hundred thirty".