216230615 has 8 divisors (see below), whose sum is σ = 259573248. Its totient is φ = 172920160.

The previous prime is 216230563. The next prime is 216230647. The reversal of 216230615 is 516032612.

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

It is not a de Polignac number, because 216230615 - 2⁶ = 216230551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10730 + ... + 23400.

It is an arithmetic number, because the mean of its divisors is an integer number (32446656).

Almost surely, 2^216230615 is an apocalyptic number.

216230615 is a deficient number, since it is larger than the sum of its proper divisors (43342633).

216230615 is a wasteful number, since it uses less digits than its factorization.

216230615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16089.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 216230615 is about 14704.7820453076. The cubic root of 216230615 is about 600.2134564590.

The spelling of 216230615 in words is "two hundred sixteen million, two hundred thirty thousand, six hundred fifteen".