665127336 has 16 divisors (see below), whose sum is σ = 1662818400. Its totient is φ = 221709104.

The previous prime is 665127313. The next prime is 665127373. The reversal of 665127336 is 633721566.

It is a junction number, because it is equal to n+sod(n) for n = 665127294 and 665127303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13856796 + ... + 13856843.

It is an arithmetic number, because the mean of its divisors is an integer number (103926150).

Almost surely, 2^665127336 is an apocalyptic number.

It is an amenable number.

665127336 is an abundant number, since it is smaller than the sum of its proper divisors (997691064).

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

665127336 is a wasteful number, since it uses less digits than its factorization.

665127336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27713648 (or 27713644 counting only the distinct ones).

The product of its digits is 136080, while the sum is 39.

The square root of 665127336 is about 25790.0627374188. The cubic root of 665127336 is about 872.9075819761.

The spelling of 665127336 in words is "six hundred sixty-five million, one hundred twenty-seven thousand, three hundred thirty-six".