665381045341 has 8 divisors (see below), whose sum is σ = 694374925824. Its totient is φ = 636392520720.

The previous prime is 665381045321. The next prime is 665381045411. The reversal of 665381045341 is 143540183566.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 665381045341 - 2⁵ = 665381045309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 665381045291 and 665381045300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (665381045321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1084050 + ... + 1583011.

It is an arithmetic number, because the mean of its divisors is an integer number (86796865728).

Almost surely, 2^665381045341 is an apocalyptic number.

It is an amenable number.

665381045341 is a deficient number, since it is larger than the sum of its proper divisors (28993880483).

665381045341 is a wasteful number, since it uses less digits than its factorization.

665381045341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2677931.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 665381045341 in words is "six hundred sixty-five billion, three hundred eighty-one million, forty-five thousand, three hundred forty-one".