665789733083 has 4 divisors (see below), whose sum is σ = 665804307240. Its totient is φ = 665775158928.

The previous prime is 665789733071. The next prime is 665789733097. The reversal of 665789733083 is 380337987566.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 665789733083 - 2⁶ = 665789733019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (665789733023) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 7218338 + ... + 7309991.

It is an arithmetic number, because the mean of its divisors is an integer number (166451076810).

Almost surely, 2^665789733083 is an apocalyptic number.

665789733083 is a deficient number, since it is larger than the sum of its proper divisors (14574157).

665789733083 is a wasteful number, since it uses less digits than its factorization.

665789733083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14574156.

The product of its (nonzero) digits is 137168640, while the sum is 65.

The spelling of 665789733083 in words is "six hundred sixty-five billion, seven hundred eighty-nine million, seven hundred thirty-three thousand, eighty-three".