216233652 has 24 divisors (see below), whose sum is σ = 515281536. Its totient is φ = 70544128.

The previous prime is 216233639. The next prime is 216233653. The reversal of 216233652 is 256332612.

216233652 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216233653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191133 + ... + 192260.

It is an arithmetic number, because the mean of its divisors is an integer number (21470064).

Almost surely, 2^216233652 is an apocalyptic number.

It is an amenable number.

216233652 is an abundant number, since it is smaller than the sum of its proper divisors (299047884).

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

216233652 is a wasteful number, since it uses less digits than its factorization.

216233652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383447 (or 383445 counting only the distinct ones).

The product of its digits is 12960, while the sum is 30.

The square root of 216233652 is about 14704.8853106714. The cubic root of 216233652 is about 600.2162664831.

The spelling of 216233652 in words is "two hundred sixteen million, two hundred thirty-three thousand, six hundred fifty-two".