216332610 has 32 divisors (see below), whose sum is σ = 559137600. Its totient is φ = 53251008.

The previous prime is 216332609. The next prime is 216332617. The reversal of 216332610 is 16233612.

It is a happy number.

216332610 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (216332617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276960 + ... + 277739.

It is an arithmetic number, because the mean of its divisors is an integer number (17473050).

Almost surely, 2^216332610 is an apocalyptic number.

216332610 is an abundant number, since it is smaller than the sum of its proper divisors (342804990).

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

216332610 is a wasteful number, since it uses less digits than its factorization.

216332610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554722.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 216332610 is about 14708.2497259191. The cubic root of 216332610 is about 600.3078142792.

The spelling of 216332610 in words is "two hundred sixteen million, three hundred thirty-two thousand, six hundred ten".