216234153 has 12 divisors (see below), whose sum is σ = 312594880. Its totient is φ = 144037656.

The previous prime is 216234149. The next prime is 216234157. The reversal of 216234153 is 351432612.

216234153 is a `hidden beast` number, since 21 + 623 + 4 + 15 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (216234149) and next prime (216234157).

It is not a de Polignac number, because 216234153 - 2² = 216234149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (216234157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2508 + ... + 20946.

Almost surely, 2^216234153 is an apocalyptic number.

It is an amenable number.

216234153 is a deficient number, since it is larger than the sum of its proper divisors (96360727).

216234153 is a wasteful number, since it uses less digits than its factorization.

216234153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19748 (or 19745 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 216234153 is about 14704.9023458165. The cubic root of 216234153 is about 600.2167300374.

Adding to 216234153 its reverse (351432612), we get a palindrome (567666765).

It can be divided in two parts, 2162 and 34153, that added together give a triangular number (36315 = T₂₆₉).

The spelling of 216234153 in words is "two hundred sixteen million, two hundred thirty-four thousand, one hundred fifty-three".