6607866394667 has 2 divisors, whose sum is σ = 6607866394668. Its totient is φ = 6607866394666.

The previous prime is 6607866394537. The next prime is 6607866394673. The reversal of 6607866394667 is 7664936687066.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6607866394667 - 2¹⁰ = 6607866393643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6607866394594 and 6607866394603.

It is not a weakly prime, because it can be changed into another prime (6607866394967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3303933197333 + 3303933197334.

It is an arithmetic number, because the mean of its divisors is an integer number (3303933197334).

Almost surely, 2^{6607866394667} is an apocalyptic number.

6607866394667 is a deficient number, since it is larger than the sum of its proper divisors (1).

6607866394667 is an equidigital number, since it uses as much as digits as its factorization.

6607866394667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1975228416, while the sum is 74.

The spelling of 6607866394667 in words is "six trillion, six hundred seven billion, eight hundred sixty-six million, three hundred ninety-four thousand, six hundred sixty-seven".