66006061003 has 2 divisors, whose sum is σ = 66006061004. Its totient is φ = 66006061002.

The previous prime is 66006060949. The next prime is 66006061021. The reversal of 66006061003 is 30016060066.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66006061003 - 2¹³ = 66006052811 is a prime.

It is not a weakly prime, because it can be changed into another prime (66006061063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33003030501 + 33003030502.

It is an arithmetic number, because the mean of its divisors is an integer number (33003030502).

Almost surely, 2^66006061003 is an apocalyptic number.

66006061003 is a deficient number, since it is larger than the sum of its proper divisors (1).

66006061003 is an equidigital number, since it uses as much as digits as its factorization.

66006061003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 66006061003 in words is "sixty-six billion, six million, sixty-one thousand, three".