216452159 has 24 divisors (see below), whose sum is σ = 279901008. Its totient is φ = 165459840.

The previous prime is 216452129. The next prime is 216452167. The reversal of 216452159 is 951254612.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-216452159 is a prime.

It is a super-2 number, since 2×216452159² = 93703074271522562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216452129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24779 + ... + 32355.

It is an arithmetic number, because the mean of its divisors is an integer number (11662542).

Almost surely, 2^216452159 is an apocalyptic number.

216452159 is a deficient number, since it is larger than the sum of its proper divisors (63448849).

216452159 is a wasteful number, since it uses less digits than its factorization.

216452159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7655 (or 7648 counting only the distinct ones).

The product of its digits is 21600, while the sum is 35.

The square root of 216452159 is about 14712.3131763839. The cubic root of 216452159 is about 600.4183739450.

The spelling of 216452159 in words is "two hundred sixteen million, four hundred fifty-two thousand, one hundred fifty-nine".