216538158143 has 2 divisors, whose sum is σ = 216538158144. Its totient is φ = 216538158142.

The previous prime is 216538158103. The next prime is 216538158181. The reversal of 216538158143 is 341851835612.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 216538158143 - 2¹² = 216538154047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216538158103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108269079071 + 108269079072.

It is an arithmetic number, because the mean of its divisors is an integer number (108269079072).

Almost surely, 2^216538158143 is an apocalyptic number.

216538158143 is a deficient number, since it is larger than the sum of its proper divisors (1).

216538158143 is an equidigital number, since it uses as much as digits as its factorization.

216538158143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 691200, while the sum is 47.

The spelling of 216538158143 in words is "two hundred sixteen billion, five hundred thirty-eight million, one hundred fifty-eight thousand, one hundred forty-three".