216624263 has 8 divisors (see below), whose sum is σ = 229692720. Its totient is φ = 203722560.

The previous prime is 216624253. The next prime is 216624283. The reversal of 216624263 is 362426612.

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

It is not a de Polignac number, because 216624263 - 2⁸ = 216624007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216624203) 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, 39008 + ... + 44213.

It is an arithmetic number, because the mean of its divisors is an integer number (28711590).

Almost surely, 2^216624263 is an apocalyptic number.

216624263 is a deficient number, since it is larger than the sum of its proper divisors (13068457).

216624263 is a wasteful number, since it uses less digits than its factorization.

216624263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83377.

The product of its digits is 20736, while the sum is 32.

The square root of 216624263 is about 14718.1609924610. The cubic root of 216624263 is about 600.5774653410.

The spelling of 216624263 in words is "two hundred sixteen million, six hundred twenty-four thousand, two hundred sixty-three".