216308833215 has 8 divisors (see below), whose sum is σ = 346094133168. Its totient is φ = 115364711040.

The previous prime is 216308833157. The next prime is 216308833229. The reversal of 216308833215 is 512338803612.

It is a happy number.

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

It is not a de Polignac number, because 216308833215 - 2⁷ = 216308833087 is a prime.

It is a super-2 number, since 2×216308833215² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 7210294426 + ... + 7210294455.

It is an arithmetic number, because the mean of its divisors is an integer number (43261766646).

Almost surely, 2^216308833215 is an apocalyptic number.

216308833215 is a deficient number, since it is larger than the sum of its proper divisors (129785299953).

216308833215 is a wasteful number, since it uses less digits than its factorization.

216308833215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14420588889.

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 216308833215 in words is "two hundred sixteen billion, three hundred eight million, eight hundred thirty-three thousand, two hundred fifteen".