216675473 has 8 divisors (see below), whose sum is σ = 247915392. Its totient is φ = 185507136.

The previous prime is 216675467. The next prime is 216675491. The reversal of 216675473 is 374576612.

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 216675473 - 2²² = 212481169 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 216675473.

It is not an unprimeable number, because it can be changed into a prime (216675413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11240 + ... + 23657.

It is an arithmetic number, because the mean of its divisors is an integer number (30989424).

Almost surely, 2^216675473 is an apocalyptic number.

It is an amenable number.

216675473 is a deficient number, since it is larger than the sum of its proper divisors (31239919).

216675473 is an equidigital number, since it uses as much as digits as its factorization.

216675473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35791.

The product of its digits is 211680, while the sum is 41.

The square root of 216675473 is about 14719.9005771099. The cubic root of 216675473 is about 600.6247871389.

The spelling of 216675473 in words is "two hundred sixteen million, six hundred seventy-five thousand, four hundred seventy-three".