66703701100067 has 2 divisors, whose sum is σ = 66703701100068. Its totient is φ = 66703701100066.

The previous prime is 66703701100009. The next prime is 66703701100087. The reversal of 66703701100067 is 76000110730766.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66703701100067 is a prime.

It is not a weakly prime, because it can be changed into another prime (66703701100087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33351850550033 + 33351850550034.

It is an arithmetic number, because the mean of its divisors is an integer number (33351850550034).

Almost surely, 2^{66703701100067} is an apocalyptic number.

66703701100067 is a deficient number, since it is larger than the sum of its proper divisors (1).

66703701100067 is an equidigital number, since it uses as much as digits as its factorization.

66703701100067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 222264, while the sum is 44.

The spelling of 66703701100067 in words is "sixty-six trillion, seven hundred three billion, seven hundred one million, one hundred thousand, sixty-seven".