943073221668 has 24 divisors (see below), whose sum is σ = 2271488190720. Its totient is φ = 304217168160.

The previous prime is 943073221639. The next prime is 943073221679. The reversal of 943073221668 is 866122370349.

943073221668 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 943073221668.

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, 1267571163 + ... + 1267571906.

It is an arithmetic number, because the mean of its divisors is an integer number (94645341280).

Almost surely, 2^943073221668 is an apocalyptic number.

It is an amenable number.

943073221668 is an abundant number, since it is smaller than the sum of its proper divisors (1328414969052).

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

943073221668 is a wasteful number, since it uses less digits than its factorization.

943073221668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2535143107 (or 2535143105 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 51.

The spelling of 943073221668 in words is "nine hundred forty-three billion, seventy-three million, two hundred twenty-one thousand, six hundred sixty-eight".