216153234 has 48 divisors (see below), whose sum is σ = 537806880. Its totient is φ = 62052480.

The previous prime is 216153233. The next prime is 216153247. The reversal of 216153234 is 432351612.

216153234 is a `hidden beast` number, since 21 + 615 + 3 + 23 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 216153198 and 216153207.

It is not an unprimeable number, because it can be changed into a prime (216153233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24967 + ... + 32490.

It is an arithmetic number, because the mean of its divisors is an integer number (11204310).

Almost surely, 2^216153234 is an apocalyptic number.

216153234 is an abundant number, since it is smaller than the sum of its proper divisors (321653646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216153234 is a wasteful number, since it uses less digits than its factorization.

216153234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57495 (or 57492 counting only the distinct ones).

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

The square root of 216153234 is about 14702.1506590022. The cubic root of 216153234 is about 600.1418497951.

The spelling of 216153234 in words is "two hundred sixteen million, one hundred fifty-three thousand, two hundred thirty-four".