6616215464567 has 2 divisors, whose sum is σ = 6616215464568. Its totient is φ = 6616215464566.

The previous prime is 6616215464561. The next prime is 6616215464591. The reversal of 6616215464567 is 7654645126166.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6616215464567 - 2⁶ = 6616215464503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6616215464561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3308107732283 + 3308107732284.

It is an arithmetic number, because the mean of its divisors is an integer number (3308107732284).

Almost surely, 2^{6616215464567} is an apocalyptic number.

6616215464567 is a deficient number, since it is larger than the sum of its proper divisors (1).

6616215464567 is an equidigital number, since it uses as much as digits as its factorization.

6616215464567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43545600, while the sum is 59.

The spelling of 6616215464567 in words is "six trillion, six hundred sixteen billion, two hundred fifteen million, four hundred sixty-four thousand, five hundred sixty-seven".