16453316 has 24 divisors (see below), whose sum is σ = 33065760. Its totient is φ = 7084800.

The previous prime is 16453309. The next prime is 16453319. The reversal of 16453316 is 61335461.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (16453319) 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, 9005 + ... + 10676.

It is an arithmetic number, because the mean of its divisors is an integer number (1377740).

Almost surely, 2^16453316 is an apocalyptic number.

It is an amenable number.

16453316 is an abundant number, since it is smaller than the sum of its proper divisors (16612444).

16453316 is a wasteful number, since it uses less digits than its factorization.

16453316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19715 (or 19713 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

The square root of 16453316 is about 4056.2687287703. The cubic root of 16453316 is about 254.3418424143.

Adding to 16453316 its reverse (61335461), we get a palindrome (77788777).

The spelling of 16453316 in words is "sixteen million, four hundred fifty-three thousand, three hundred sixteen".