681330202033228 has 48 divisors (see below), whose sum is σ = 1303521015888000. Its totient is φ = 309028960839680.

The previous prime is 681330202033223. The next prime is 681330202033231. The reversal of 681330202033228 is 822330202033186.

681330202033228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (681330202033223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3263924883 + ... + 3264133621.

It is an arithmetic number, because the mean of its divisors is an integer number (27156687831000).

Almost surely, 2^{681330202033228} is an apocalyptic number.

It is an amenable number.

681330202033228 is a deficient number, since it is larger than the sum of its proper divisors (622190813854772).

681330202033228 is a wasteful number, since it uses less digits than its factorization.

681330202033228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368070 (or 368068 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 43.

The spelling of 681330202033228 in words is "six hundred eighty-one trillion, three hundred thirty billion, two hundred two million, thirty-three thousand, two hundred twenty-eight".