216195130 has 8 divisors (see below), whose sum is σ = 389151252. Its totient is φ = 86478048.

The previous prime is 216195127. The next prime is 216195139. The reversal of 216195130 is 31591612.

216195130 is digitally balanced in base 3, 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 2 ways, for example, as 206813161 + 9381969 = 14381^2 + 3063^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (216195139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10809747 + ... + 10809766.

Almost surely, 2^216195130 is an apocalyptic number.

216195130 is a deficient number, since it is larger than the sum of its proper divisors (172956122).

216195130 is a wasteful number, since it uses less digits than its factorization.

216195130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21619520.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 216195130 is about 14703.5754155239. The cubic root of 216195130 is about 600.1806215469.

The spelling of 216195130 in words is "two hundred sixteen million, one hundred ninety-five thousand, one hundred thirty".