216463346 has 16 divisors (see below), whose sum is σ = 375049440. Its totient is φ = 92604480.

The previous prime is 216463343. The next prime is 216463369. The reversal of 216463346 is 643364612.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (216463343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289016 + ... + 289763.

It is an arithmetic number, because the mean of its divisors is an integer number (23440590).

Almost surely, 2^216463346 is an apocalyptic number.

216463346 is a deficient number, since it is larger than the sum of its proper divisors (158586094).

216463346 is a wasteful number, since it uses less digits than its factorization.

216463346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578809.

The product of its digits is 62208, while the sum is 35.

The square root of 216463346 is about 14712.6933632153. The cubic root of 216463346 is about 600.4287176697.

The spelling of 216463346 in words is "two hundred sixteen million, four hundred sixty-three thousand, three hundred forty-six".