216195513 has 8 divisors (see below), whose sum is σ = 288400128. Its totient is φ = 144060624.

The previous prime is 216195503. The next prime is 216195517. The reversal of 216195513 is 315591612.

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

It is not a de Polignac number, because 216195513 - 2⁸ = 216195257 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (216195517) 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, 9706 + ... + 22947.

It is an arithmetic number, because the mean of its divisors is an integer number (36050016).

Almost surely, 2^216195513 is an apocalyptic number.

It is an amenable number.

216195513 is a deficient number, since it is larger than the sum of its proper divisors (72204615).

216195513 is a wasteful number, since it uses less digits than its factorization.

216195513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34863.

The product of its digits is 8100, while the sum is 33.

The square root of 216195513 is about 14703.5884395613. The cubic root of 216195513 is about 600.1809759629.

The spelling of 216195513 in words is "two hundred sixteen million, one hundred ninety-five thousand, five hundred thirteen".