6966216070871 has 2 divisors, whose sum is σ = 6966216070872. Its totient is φ = 6966216070870.

The previous prime is 6966216070819. The next prime is 6966216070937. The reversal of 6966216070871 is 1780706126696.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6966216070871 is a prime.

It is a super-2 number, since 2×6966216070871² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6966216070871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6966216030871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3483108035435 + 3483108035436.

It is an arithmetic number, because the mean of its divisors is an integer number (3483108035436).

Almost surely, 2^{6966216070871} is an apocalyptic number.

6966216070871 is a deficient number, since it is larger than the sum of its proper divisors (1).

6966216070871 is an equidigital number, since it uses as much as digits as its factorization.

6966216070871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9144576, while the sum is 59.

The spelling of 6966216070871 in words is "six trillion, nine hundred sixty-six billion, two hundred sixteen million, seventy thousand, eight hundred seventy-one".