66666733411 has 2 divisors, whose sum is σ = 66666733412. Its totient is φ = 66666733410.

The previous prime is 66666733369. The next prime is 66666733429. The reversal of 66666733411 is 11433766666.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66666733411 - 2²⁵ = 66633178979 is a prime.

It is not a weakly prime, because it can be changed into another prime (66616733411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33333366705 + 33333366706.

It is an arithmetic number, because the mean of its divisors is an integer number (33333366706).

Almost surely, 2^66666733411 is an apocalyptic number.

66666733411 is a deficient number, since it is larger than the sum of its proper divisors (1).

66666733411 is an equidigital number, since it uses as much as digits as its factorization.

66666733411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1959552, while the sum is 49.

The spelling of 66666733411 in words is "sixty-six billion, six hundred sixty-six million, seven hundred thirty-three thousand, four hundred eleven".