216143463 has 8 divisors (see below), whose sum is σ = 289176048. Its totient is φ = 143603264.

The previous prime is 216143461. The next prime is 216143479. The reversal of 216143463 is 364341612.

216143463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 216143463 - 2¹ = 216143461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 216143463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216143461) 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, 122070 + ... + 123827.

It is an arithmetic number, because the mean of its divisors is an integer number (36147006).

Almost surely, 2^216143463 is an apocalyptic number.

216143463 is a deficient number, since it is larger than the sum of its proper divisors (73032585).

216143463 is a wasteful number, since it uses less digits than its factorization.

216143463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246193.

The product of its digits is 10368, while the sum is 30.

The square root of 216143463 is about 14701.8183569244. The cubic root of 216143463 is about 600.1328067129.

The spelling of 216143463 in words is "two hundred sixteen million, one hundred forty-three thousand, four hundred sixty-three".