133456360661643 has 16 divisors (see below), whose sum is σ = 178089833972736. Its totient is φ = 88896914532480.

The previous prime is 133456360661599. The next prime is 133456360661677. The reversal of 133456360661643 is 346166063654331.

It is not a de Polignac number, because 133456360661643 - 2³² = 133452065694347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133456360671643) 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, 28753630 + ... + 33070892.

It is an arithmetic number, because the mean of its divisors is an integer number (11130614623296).

Almost surely, 2^{133456360661643} is an apocalyptic number.

133456360661643 is a deficient number, since it is larger than the sum of its proper divisors (44633473311093).

133456360661643 is a wasteful number, since it uses less digits than its factorization.

133456360661643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4325834.

The product of its (nonzero) digits is 50388480, while the sum is 57.

The spelling of 133456360661643 in words is "one hundred thirty-three trillion, four hundred fifty-six billion, three hundred sixty million, six hundred sixty-one thousand, six hundred forty-three".