667231201133 has 4 divisors (see below), whose sum is σ = 762549944160. Its totient is φ = 571912458108.

The previous prime is 667231201127. The next prime is 667231201201. The reversal of 667231201133 is 331102132766.

667231201133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 667231201133 - 2³² = 662936233837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 667231201093 and 667231201102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667231201633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47659371503 + ... + 47659371516.

It is an arithmetic number, because the mean of its divisors is an integer number (190637486040).

Almost surely, 2^667231201133 is an apocalyptic number.

It is an amenable number.

667231201133 is a deficient number, since it is larger than the sum of its proper divisors (95318743027).

667231201133 is an equidigital number, since it uses as much as digits as its factorization.

667231201133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95318743026.

The product of its (nonzero) digits is 27216, while the sum is 35.

Adding to 667231201133 its reverse (331102132766), we get a palindrome (998333333899).

The spelling of 667231201133 in words is "six hundred sixty-seven billion, two hundred thirty-one million, two hundred one thousand, one hundred thirty-three".