216244503 has 12 divisors (see below), whose sum is σ = 323124360. Its totient is φ = 139191696.

The previous prime is 216244493. The next prime is 216244517. The reversal of 216244503 is 305442612.

216244503 is a `hidden beast` number, since 216 + 2 + 445 + 0 + 3 = 666.

216244503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 216244503 - 2⁸ = 216244247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216244583) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 414001 + ... + 414522.

It is an arithmetic number, because the mean of its divisors is an integer number (26927030).

Almost surely, 2^216244503 is an apocalyptic number.

216244503 is a deficient number, since it is larger than the sum of its proper divisors (106879857).

216244503 is a wasteful number, since it uses less digits than its factorization.

216244503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828558 (or 828555 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 216244503 is about 14705.2542650578. The cubic root of 216244503 is about 600.2263062984.

It can be divided in two parts, 2162 and 44503, that added together give a triangular number (46665 = T₃₀₅).

The spelling of 216244503 in words is "two hundred sixteen million, two hundred forty-four thousand, five hundred three".