216432060 has 96 divisors (see below), whose sum is σ = 663828480. Its totient is φ = 52361472.

The previous prime is 216432031. The next prime is 216432061. The reversal of 216432060 is 60234612.

It is a self number, because there is not a number n which added to its sum of digits gives 216432060.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216432061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43669 + ... + 48371.

It is an arithmetic number, because the mean of its divisors is an integer number (6914880).

Almost surely, 2^216432060 is an apocalyptic number.

216432060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216432060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331914240).

216432060 is an abundant number, since it is smaller than the sum of its proper divisors (447396420).

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

216432060 is a wasteful number, since it uses less digits than its factorization.

216432060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4787 (or 4785 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 216432060 is about 14711.6300932290. The cubic root of 216432060 is about 600.3997891108.

Adding to 216432060 its reverse (60234612), we get a palindrome (276666672).

The spelling of 216432060 in words is "two hundred sixteen million, four hundred thirty-two thousand, sixty".