66588106085419 has 2 divisors, whose sum is σ = 66588106085420. Its totient is φ = 66588106085418.

The previous prime is 66588106085407. The next prime is 66588106085443. The reversal of 66588106085419 is 91458060188566.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66588106085419 - 2¹¹ = 66588106083371 is a prime.

It is a super-2 number, since 2×66588106085419² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (66588106085489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33294053042709 + 33294053042710.

It is an arithmetic number, because the mean of its divisors is an integer number (33294053042710).

Almost surely, 2^{66588106085419} is an apocalyptic number.

66588106085419 is a deficient number, since it is larger than the sum of its proper divisors (1).

66588106085419 is an equidigital number, since it uses as much as digits as its factorization.

66588106085419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 99532800, while the sum is 67.

The spelling of 66588106085419 in words is "sixty-six trillion, five hundred eighty-eight billion, one hundred six million, eighty-five thousand, four hundred nineteen".