216232152 has 16 divisors (see below), whose sum is σ = 540580440. Its totient is φ = 72077376.

The previous prime is 216232147. The next prime is 216232157. The reversal of 216232152 is 251232612.

216232152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (216232147) and next prime (216232157).

It is a super-2 number, since 2×216232152² = 93512687117102208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 9009673 = 216232152 / (2 + 1 + 6 + 2 + 3 + 2 + 1 + 5 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216232157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4504813 + ... + 4504860.

Almost surely, 2^216232152 is an apocalyptic number.

It is an amenable number.

216232152 is an abundant number, since it is smaller than the sum of its proper divisors (324348288).

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

216232152 is a wasteful number, since it uses less digits than its factorization.

216232152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9009682 (or 9009678 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 216232152 is about 14704.8343071250. The cubic root of 216232152 is about 600.2148785917.

Adding to 216232152 its reverse (251232612), we get a palindrome (467464764).

The spelling of 216232152 in words is "two hundred sixteen million, two hundred thirty-two thousand, one hundred fifty-two".