216190143 has 12 divisors (see below), whose sum is σ = 336295960. Its totient is φ = 133040016.

The previous prime is 216190141. The next prime is 216190153. The reversal of 216190143 is 341091612.

216190143 is a `hidden beast` number, since 2 + 1 + 619 + 0 + 1 + 43 = 666.

It is not a de Polignac number, because 216190143 - 2¹ = 216190141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216190141) 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 11 ways as a sum of consecutive naturals, for example, 923773 + ... + 924006.

Almost surely, 2^216190143 is an apocalyptic number.

216190143 is a deficient number, since it is larger than the sum of its proper divisors (120105817).

216190143 is a wasteful number, since it uses less digits than its factorization.

216190143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847798 (or 1847795 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 216190143 is about 14703.4058299429. The cubic root of 216190143 is about 600.1760066977.

The spelling of 216190143 in words is "two hundred sixteen million, one hundred ninety thousand, one hundred forty-three".