216572159 has 2 divisors, whose sum is σ = 216572160. Its totient is φ = 216572158.

The previous prime is 216572131. The next prime is 216572171. The reversal of 216572159 is 951275612.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 216572159 - 2⁸ = 216571903 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216572119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108286079 + 108286080.

It is an arithmetic number, because the mean of its divisors is an integer number (108286080).

Almost surely, 2^216572159 is an apocalyptic number.

216572159 is a deficient number, since it is larger than the sum of its proper divisors (1).

216572159 is an equidigital number, since it uses as much as digits as its factorization.

216572159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 38.

The square root of 216572159 is about 14716.3908279170. The cubic root of 216572159 is about 600.5293097665.

The spelling of 216572159 in words is "two hundred sixteen million, five hundred seventy-two thousand, one hundred fifty-nine".