1320242434666 has 8 divisors (see below), whose sum is σ = 1984498024320. Its totient is φ = 658743093228.

The previous prime is 1320242434639. The next prime is 1320242434673. The reversal of 1320242434666 is 6664342420231.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 689060856 + ... + 689062771.

It is an arithmetic number, because the mean of its divisors is an integer number (248062253040).

Almost surely, 2^{1320242434666} is an apocalyptic number.

1320242434666 is a deficient number, since it is larger than the sum of its proper divisors (664255589654).

1320242434666 is a wasteful number, since it uses less digits than its factorization.

1320242434666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378124108.

The product of its (nonzero) digits is 995328, while the sum is 43.

Adding to 1320242434666 its reverse (6664342420231), we get a palindrome (7984584854897).

The spelling of 1320242434666 in words is "one trillion, three hundred twenty billion, two hundred forty-two million, four hundred thirty-four thousand, six hundred sixty-six".