216675534071 has 2 divisors, whose sum is σ = 216675534072. Its totient is φ = 216675534070.

The previous prime is 216675534029. The next prime is 216675534137. The reversal of 216675534071 is 170435576612.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-216675534071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216675534571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108337767035 + 108337767036.

It is an arithmetic number, because the mean of its divisors is an integer number (108337767036).

Almost surely, 2^216675534071 is an apocalyptic number.

216675534071 is a deficient number, since it is larger than the sum of its proper divisors (1).

216675534071 is an equidigital number, since it uses as much as digits as its factorization.

216675534071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1058400, while the sum is 47.

The spelling of 216675534071 in words is "two hundred sixteen billion, six hundred seventy-five million, five hundred thirty-four thousand, seventy-one".