6660141563 has 2 divisors, whose sum is σ = 6660141564. Its totient is φ = 6660141562.

The previous prime is 6660141503. The next prime is 6660141569. The reversal of 6660141563 is 3651410666.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6660141563 - 2²⁰ = 6659092987 is a prime.

It is not a weakly prime, because it can be changed into another prime (6660141569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3330070781 + 3330070782.

It is an arithmetic number, because the mean of its divisors is an integer number (3330070782).

Almost surely, 2^6660141563 is an apocalyptic number.

6660141563 is a deficient number, since it is larger than the sum of its proper divisors (1).

6660141563 is an equidigital number, since it uses as much as digits as its factorization.

6660141563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 6660141563 is about 81609.6903743667. The cubic root of 6660141563 is about 1881.4578215565.

The spelling of 6660141563 in words is "six billion, six hundred sixty million, one hundred forty-one thousand, five hundred sixty-three".