16464216 has 16 divisors (see below), whose sum is σ = 41160600. Its totient is φ = 5488064.

The previous prime is 16464187. The next prime is 16464229. The reversal of 16464216 is 61246461.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342981 + ... + 343028.

Almost surely, 2^16464216 is an apocalyptic number.

It is an amenable number.

16464216 is an abundant number, since it is smaller than the sum of its proper divisors (24696384).

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

16464216 is a wasteful number, since it uses less digits than its factorization.

16464216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686018 (or 686014 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 16464216 is about 4057.6121056602. The cubic root of 16464216 is about 254.3979955144.

The spelling of 16464216 in words is "sixteen million, four hundred sixty-four thousand, two hundred sixteen".