1968421188662 has 16 divisors (see below), whose sum is σ = 3128311186560. Its totient is φ = 925724688768.

The previous prime is 1968421188647. The next prime is 1968421188707. The reversal of 1968421188662 is 2668811248691.

It is a junction number, because it is equal to n+sod(n) for n = 1968421188595 and 1968421188604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18419837 + ... + 18526392.

It is an arithmetic number, because the mean of its divisors is an integer number (195519449160).

Almost surely, 2^{1968421188662} is an apocalyptic number.

1968421188662 is a deficient number, since it is larger than the sum of its proper divisors (1159889997898).

1968421188662 is a wasteful number, since it uses less digits than its factorization.

1968421188662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36947815.

The product of its digits is 15925248, while the sum is 62.

The spelling of 1968421188662 in words is "one trillion, nine hundred sixty-eight billion, four hundred twenty-one million, one hundred eighty-eight thousand, six hundred sixty-two".