216463205 has 16 divisors (see below), whose sum is σ = 297126144. Its totient is φ = 148300800.

The previous prime is 216463187. The next prime is 216463211. The reversal of 216463205 is 502364612.

It is not a de Polignac number, because 216463205 - 2⁸ = 216462949 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54104 + ... + 57966.

It is an arithmetic number, because the mean of its divisors is an integer number (18570384).

Almost surely, 2^216463205 is an apocalyptic number.

It is an amenable number.

216463205 is a deficient number, since it is larger than the sum of its proper divisors (80662939).

216463205 is a wasteful number, since it uses less digits than its factorization.

216463205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5476.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 216463205 is about 14712.6885714338. The cubic root of 216463205 is about 600.4285873005.

The spelling of 216463205 in words is "two hundred sixteen million, four hundred sixty-three thousand, two hundred five".