216080171063 has 2 divisors, whose sum is σ = 216080171064. Its totient is φ = 216080171062.

The previous prime is 216080171029. The next prime is 216080171101. The reversal of 216080171063 is 360171080612.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-216080171063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216080171003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108040085531 + 108040085532.

It is an arithmetic number, because the mean of its divisors is an integer number (108040085532).

Almost surely, 2^216080171063 is an apocalyptic number.

216080171063 is a deficient number, since it is larger than the sum of its proper divisors (1).

216080171063 is an equidigital number, since it uses as much as digits as its factorization.

216080171063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The spelling of 216080171063 in words is "two hundred sixteen billion, eighty million, one hundred seventy-one thousand, sixty-three".