2006655307187 has 2 divisors, whose sum is σ = 2006655307188. Its totient is φ = 2006655307186.

The previous prime is 2006655307171. The next prime is 2006655307289. The reversal of 2006655307187 is 7817035566002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2006655307187 - 2⁴ = 2006655307171 is a prime.

It is not a weakly prime, because it can be changed into another prime (2006655307087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1003327653593 + 1003327653594.

It is an arithmetic number, because the mean of its divisors is an integer number (1003327653594).

Almost surely, 2^{2006655307187} is an apocalyptic number.

2006655307187 is a deficient number, since it is larger than the sum of its proper divisors (1).

2006655307187 is an equidigital number, since it uses as much as digits as its factorization.

2006655307187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2116800, while the sum is 50.

The spelling of 2006655307187 in words is "two trillion, six billion, six hundred fifty-five million, three hundred seven thousand, one hundred eighty-seven".