133220968007568 has 80 divisors (see below), whose sum is σ = 396799748059776. Its totient is φ = 37726291814400.

The previous prime is 133220968007563. The next prime is 133220968007587. The reversal of 133220968007568 is 865700869022331.

133220968007568 is digitally balanced in base 3, 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 (133220968007563) 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, 1754346883 + ... + 1754422818.

Almost surely, 2^{133220968007568} is an apocalyptic number.

It is an amenable number.

133220968007568 is an abundant number, since it is smaller than the sum of its proper divisors (263578780052208).

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

133220968007568 is a wasteful number, since it uses less digits than its factorization.

133220968007568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3508769832 (or 3508769826 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 60.

The spelling of 133220968007568 in words is "one hundred thirty-three trillion, two hundred twenty billion, nine hundred sixty-eight million, seven thousand, five hundred sixty-eight".