16216353 has 6 divisors (see below), whose sum is σ = 23423634. Its totient is φ = 10810896.

The previous prime is 16216349. The next prime is 16216393. The reversal of 16216353 is 35361261.

16216353 is a `hidden beast` number, since 1 + 6 + 21 + 635 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15776784 + 439569 = 3972^2 + 663^2 .

It is not a de Polignac number, because 16216353 - 2² = 16216349 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16216303) 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 5 ways as a sum of consecutive naturals, for example, 900900 + ... + 900917.

It is an arithmetic number, because the mean of its divisors is an integer number (3903939).

Almost surely, 2^16216353 is an apocalyptic number.

It is an amenable number.

16216353 is a deficient number, since it is larger than the sum of its proper divisors (7207281).

16216353 is a wasteful number, since it uses less digits than its factorization.

16216353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801823 (or 1801820 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 16216353 is about 4026.9533148523. The cubic root of 16216353 is about 253.1149108004.

The spelling of 16216353 in words is "sixteen million, two hundred sixteen thousand, three hundred fifty-three".