665108336 has 10 divisors (see below), whose sum is σ = 1288647432. Its totient is φ = 332554160.

The previous prime is 665108293. The next prime is 665108369. The reversal of 665108336 is 633801566.

It is a self number, because there is not a number n which added to its sum of digits gives 665108336.

It is a congruent 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 as a sum of consecutive naturals, namely, 20784620 + ... + 20784651.

Almost surely, 2^665108336 is an apocalyptic number.

It is an amenable number.

665108336 is a deficient number, since it is larger than the sum of its proper divisors (623539096).

665108336 is a wasteful number, since it uses less digits than its factorization.

665108336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41569279 (or 41569273 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 665108336 is about 25789.6943758549. The cubic root of 665108336 is about 872.8992700830.

The spelling of 665108336 in words is "six hundred sixty-five million, one hundred eight thousand, three hundred thirty-six".