216416958 has 8 divisors (see below), whose sum is σ = 432833928. Its totient is φ = 72138984.

The previous prime is 216416957. The next prime is 216416989. The reversal of 216416958 is 859614612.

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

216416958 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216416957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18034741 + ... + 18034752.

It is an arithmetic number, because the mean of its divisors is an integer number (54104241).

Almost surely, 2^216416958 is an apocalyptic number.

216416958 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

216416958 is a wasteful number, since it uses less digits than its factorization.

216416958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36069498.

The product of its digits is 103680, while the sum is 42.

The square root of 216416958 is about 14711.1168168838. The cubic root of 216416958 is about 600.3858240687.

The spelling of 216416958 in words is "two hundred sixteen million, four hundred sixteen thousand, nine hundred fifty-eight".