216678241468 has 72 divisors (see below), whose sum is σ = 438661950720. Its totient is φ = 93327474240.

The previous prime is 216678241463. The next prime is 216678241511. The reversal of 216678241468 is 864142876612.

216678241468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216678241463) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 734653 + ... + 986443.

Almost surely, 2^216678241468 is an apocalyptic number.

It is an amenable number.

216678241468 is an abundant number, since it is smaller than the sum of its proper divisors (221983709252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216678241468 is a wasteful number, since it uses less digits than its factorization.

216678241468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251907 (or 251892 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 55.

The spelling of 216678241468 in words is "two hundred sixteen billion, six hundred seventy-eight million, two hundred forty-one thousand, four hundred sixty-eight".