665433036764 has 12 divisors (see below), whose sum is σ = 1164833030088. Its totient is φ = 332623599600.

The previous prime is 665433036721. The next prime is 665433036767. The reversal of 665433036764 is 467630334566.

It is a super-3 number, since 3×665433036764³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (665433036767) 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, 23213582 + ... + 23242229.

It is an arithmetic number, because the mean of its divisors is an integer number (97069419174).

Almost surely, 2^665433036764 is an apocalyptic number.

It is an amenable number.

665433036764 is a deficient number, since it is larger than the sum of its proper divisors (499399993324).

665433036764 is a wasteful number, since it uses less digits than its factorization.

665433036764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46459396 (or 46459394 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 53.

The spelling of 665433036764 in words is "six hundred sixty-five billion, four hundred thirty-three million, thirty-six thousand, seven hundred sixty-four".