1784336768668 has 12 divisors (see below), whose sum is σ = 3230264840040. Its totient is φ = 861403957232.

The previous prime is 1784336768663. The next prime is 1784336768719. The reversal of 1784336768668 is 8668676334871.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1784336768668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1784336768663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7691106646 + ... + 7691106877.

It is an arithmetic number, because the mean of its divisors is an integer number (269188736670).

Almost surely, 2^{1784336768668} is an apocalyptic number.

It is an amenable number.

1784336768668 is a deficient number, since it is larger than the sum of its proper divisors (1445928071372).

1784336768668 is a wasteful number, since it uses less digits than its factorization.

1784336768668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15382213556 (or 15382213554 counting only the distinct ones).

The product of its digits is 1170505728, while the sum is 73.

The spelling of 1784336768668 in words is "one trillion, seven hundred eighty-four billion, three hundred thirty-six million, seven hundred sixty-eight thousand, six hundred sixty-eight".