216436063 has 16 divisors (see below), whose sum is σ = 225172480. Its totient is φ = 207938016.

The previous prime is 216436009. The next prime is 216436091. The reversal of 216436063 is 360634612.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-216436063 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 (216436093) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 544981 + ... + 545377.

It is an arithmetic number, because the mean of its divisors is an integer number (14073280).

Almost surely, 2^216436063 is an apocalyptic number.

216436063 is a deficient number, since it is larger than the sum of its proper divisors (8736417).

216436063 is a wasteful number, since it uses less digits than its factorization.

216436063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 216436063 is about 14711.7661414257. The cubic root of 216436063 is about 600.4034906351.

The spelling of 216436063 in words is "two hundred sixteen million, four hundred thirty-six thousand, sixty-three".