216361130 has 16 divisors (see below), whose sum is σ = 390303144. Its totient is φ = 86354880.

The previous prime is 216361127. The next prime is 216361177. The reversal of 216361130 is 31163612.

It is a happy number.

216361130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 93528241 + 122832889 = 9671^2 + 11083^2 .

It is a junction number, because it is equal to n+sod(n) for n = 216361096 and 216361105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18857 + ... + 28076.

Almost surely, 2^216361130 is an apocalyptic number.

216361130 is a deficient number, since it is larger than the sum of its proper divisors (173942014).

216361130 is a wasteful number, since it uses less digits than its factorization.

216361130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47401.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 216361130 is about 14709.2192178919. The cubic root of 216361130 is about 600.3341934530.

The spelling of 216361130 in words is "two hundred sixteen million, three hundred sixty-one thousand, one hundred thirty".