6666133 has 2 divisors, whose sum is σ = 6666134. Its totient is φ = 6666132.

The previous prime is 6666097. The next prime is 6666137. The reversal of 6666133 is 3316666.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5280804 + 1385329 = 2298^2 + 1177^2 .

It is a cyclic number.

It is not a de Polignac number, because 6666133 - 2²¹ = 4568981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6666095 and 6666104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6666137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3333066 + 3333067.

It is an arithmetic number, because the mean of its divisors is an integer number (3333067).

Almost surely, 2^6666133 is an apocalyptic number.

It is an amenable number.

6666133 is a deficient number, since it is larger than the sum of its proper divisors (1).

6666133 is an equidigital number, since it uses as much as digits as its factorization.

6666133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 31.

The square root of 6666133 is about 2581.8855512977. The cubic root of 6666133 is about 188.2021836466.

The spelling of 6666133 in words is "six million, six hundred sixty-six thousand, one hundred thirty-three".