6666641141533 has 2 divisors, whose sum is σ = 6666641141534. Its totient is φ = 6666641141532.

The previous prime is 6666641141509. The next prime is 6666641141543. The reversal of 6666641141533 is 3351411466666.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5108083651449 + 1558557490084 = 2260107^2 + 1248422^2 .

It is a cyclic number.

It is not a de Polignac number, because 6666641141533 - 2¹⁷ = 6666641010461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6666641141543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3333320570766 + 3333320570767.

It is an arithmetic number, because the mean of its divisors is an integer number (3333320570767).

Almost surely, 2^{6666641141533} is an apocalyptic number.

It is an amenable number.

6666641141533 is a deficient number, since it is larger than the sum of its proper divisors (1).

6666641141533 is an equidigital number, since it uses as much as digits as its factorization.

6666641141533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5598720, while the sum is 52.

The spelling of 6666641141533 in words is "six trillion, six hundred sixty-six billion, six hundred forty-one million, one hundred forty-one thousand, five hundred thirty-three".