216132630 has 48 divisors (see below), whose sum is σ = 603411120. Its totient is φ = 49401408.

The previous prime is 216132599. The next prime is 216132647. The reversal of 216132630 is 36231612.

It is a happy number.

216132630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 216132630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72045 + ... + 74984.

It is an arithmetic number, because the mean of its divisors is an integer number (12571065).

Almost surely, 2^216132630 is an apocalyptic number.

216132630 is an abundant number, since it is smaller than the sum of its proper divisors (387278490).

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

216132630 is a wasteful number, since it uses less digits than its factorization.

216132630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147053 (or 147046 counting only the distinct ones).

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

The square root of 216132630 is about 14701.4499284934. The cubic root of 216132630 is about 600.1227804288.

The spelling of 216132630 in words is "two hundred sixteen million, one hundred thirty-two thousand, six hundred thirty".