216854496 has 60 divisors (see below), whose sum is σ = 637770672. Its totient is φ = 72283968.

The previous prime is 216854483. The next prime is 216854497. The reversal of 216854496 is 694458612.

216854496 is a `hidden beast` number, since 2 + 16 + 8 + 544 + 96 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216854497) 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 9 ways as a sum of consecutive naturals, for example, 39240 + ... + 44423.

Almost surely, 2^216854496 is an apocalyptic number.

It is an amenable number.

216854496 is an abundant number, since it is smaller than the sum of its proper divisors (420916176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216854496 is an equidigital number, since it uses as much as digits as its factorization.

216854496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83685 (or 83668 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 216854496 is about 14725.9803069269. The cubic root of 216854496 is about 600.7901589579.

The spelling of 216854496 in words is "two hundred sixteen million, eight hundred fifty-four thousand, four hundred ninety-six".