667141133 has 2 divisors, whose sum is σ = 667141134. Its totient is φ = 667141132.

The previous prime is 667141121. The next prime is 667141147. The reversal of 667141133 is 331141766.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 631165129 + 35976004 = 25123^2 + 5998^2 .

It is a cyclic number.

It is not a de Polignac number, because 667141133 - 2¹⁰ = 667140109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 667141133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (667143133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333570566 + 333570567.

It is an arithmetic number, because the mean of its divisors is an integer number (333570567).

Almost surely, 2^667141133 is an apocalyptic number.

It is an amenable number.

667141133 is a deficient number, since it is larger than the sum of its proper divisors (1).

667141133 is an equidigital number, since it uses as much as digits as its factorization.

667141133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 32.

The square root of 667141133 is about 25829.0753415603. The cubic root of 667141133 is about 873.7876578510.

Adding to 667141133 its reverse (331141766), we get a palindrome (998282899).

The spelling of 667141133 in words is "six hundred sixty-seven million, one hundred forty-one thousand, one hundred thirty-three".