660002365445 has 16 divisors (see below), whose sum is σ = 792966343680. Its totient is φ = 527359837824.

The previous prime is 660002365441. The next prime is 660002365499. The reversal of 660002365445 is 544563200066.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 660002365445 - 2² = 660002365441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660002365441) 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 15 ways as a sum of consecutive naturals, for example, 21919961 + ... + 21950049.

It is an arithmetic number, because the mean of its divisors is an integer number (49560396480).

Almost surely, 2^660002365445 is an apocalyptic number.

It is an amenable number.

660002365445 is a deficient number, since it is larger than the sum of its proper divisors (132963978235).

660002365445 is a wasteful number, since it uses less digits than its factorization.

660002365445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35284.

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 660002365445 in words is "six hundred sixty billion, two million, three hundred sixty-five thousand, four hundred forty-five".