216254463 has 8 divisors (see below), whose sum is σ = 288414000. Its totient is φ = 144132288.

The previous prime is 216254453. The next prime is 216254483. The reversal of 216254463 is 364452612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 216254463 - 2⁵ = 216254431 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216254413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9733 + ... + 22961.

It is an arithmetic number, because the mean of its divisors is an integer number (36051750).

Almost surely, 2^216254463 is an apocalyptic number.

216254463 is a deficient number, since it is larger than the sum of its proper divisors (72159537).

216254463 is a wasteful number, since it uses less digits than its factorization.

216254463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18681.

The product of its digits is 34560, while the sum is 33.

The square root of 216254463 is about 14705.5929156223. The cubic root of 216254463 is about 600.2355214262.

The spelling of 216254463 in words is "two hundred sixteen million, two hundred fifty-four thousand, four hundred sixty-three".