16216347 has 8 divisors (see below), whose sum is σ = 24710656. Its totient is φ = 9266472.

The previous prime is 16216339. The next prime is 16216349. The reversal of 16216347 is 74361261.

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

It is not a de Polignac number, because 16216347 - 2³ = 16216339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16216349) 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, 386083 + ... + 386124.

It is an arithmetic number, because the mean of its divisors is an integer number (3088832).

Almost surely, 2^16216347 is an apocalyptic number.

16216347 is a deficient number, since it is larger than the sum of its proper divisors (8494309).

16216347 is an equidigital number, since it uses as much as digits as its factorization.

16216347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772217.

The product of its digits is 6048, while the sum is 30.

The square root of 16216347 is about 4026.9525698722. The cubic root of 16216347 is about 253.1148795832.

The spelling of 16216347 in words is "sixteen million, two hundred sixteen thousand, three hundred forty-seven".