216673703 has 8 divisors (see below), whose sum is σ = 224309280. Its totient is φ = 209049120.

The previous prime is 216673697. The next prime is 216673711. The reversal of 216673703 is 307376612.

It is a happy number.

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 216673703 - 2⁸ = 216673447 is a prime.

It is a Duffinian number.

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216673733) 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, 76238 + ... + 79028.

It is an arithmetic number, because the mean of its divisors is an integer number (28038660).

Almost surely, 2^216673703 is an apocalyptic number.

216673703 is a deficient number, since it is larger than the sum of its proper divisors (7635577).

216673703 is a wasteful number, since it uses less digits than its factorization.

216673703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5497.

The product of its (nonzero) digits is 31752, while the sum is 35.

The square root of 216673703 is about 14719.8404542984. The cubic root of 216673703 is about 600.6231516534.

The spelling of 216673703 in words is "two hundred sixteen million, six hundred seventy-three thousand, seven hundred three".