216254363 has 32 divisors (see below), whose sum is σ = 250387200. Its totient is φ = 185342976.

The previous prime is 216254329. The next prime is 216254369. The reversal of 216254363 is 363452612.

It is not a de Polignac number, because 216254363 - 2⁶ = 216254299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216254369) 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 31 ways as a sum of consecutive naturals, for example, 1578431 + ... + 1578567.

It is an arithmetic number, because the mean of its divisors is an integer number (7824600).

Almost surely, 2^216254363 is an apocalyptic number.

216254363 is a deficient number, since it is larger than the sum of its proper divisors (34132837).

216254363 is a wasteful number, since it uses less digits than its factorization.

216254363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311.

The product of its digits is 25920, while the sum is 32.

The square root of 216254363 is about 14705.5895155550. The cubic root of 216254363 is about 600.2354289063.

The spelling of 216254363 in words is "two hundred sixteen million, two hundred fifty-four thousand, three hundred sixty-three".