665383057714 has 16 divisors (see below), whose sum is σ = 1023099704352. Its totient is φ = 324377309088.

The previous prime is 665383057709. The next prime is 665383057721. The reversal of 665383057714 is 417750383566.

It is a happy number.

It is a super-3 number, since 3×665383057714³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6822819 + ... + 6919654.

It is an arithmetic number, because the mean of its divisors is an integer number (63943731522).

Almost surely, 2^665383057714 is an apocalyptic number.

665383057714 is a deficient number, since it is larger than the sum of its proper divisors (357716646638).

665383057714 is a wasteful number, since it uses less digits than its factorization.

665383057714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13743081.

The product of its (nonzero) digits is 12700800, while the sum is 55.

The spelling of 665383057714 in words is "six hundred sixty-five billion, three hundred eighty-three million, fifty-seven thousand, seven hundred fourteen".