16316530 has 16 divisors (see below), whose sum is σ = 29496960. Its totient is φ = 6498352.

The previous prime is 16316507. The next prime is 16316551. The reversal of 16316530 is 3561361.

It is a junction number, because it is equal to n+sod(n) for n = 16316495 and 16316504.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1024 + ... + 5803.

It is an arithmetic number, because the mean of its divisors is an integer number (1843560).

Almost surely, 2^16316530 is an apocalyptic number.

16316530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16316530 is a deficient number, since it is larger than the sum of its proper divisors (13180430).

16316530 is a wasteful number, since it uses less digits than its factorization.

16316530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7073.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 16316530 is about 4039.3724760165. The cubic root of 16316530 is about 253.6350494900.

Adding to 16316530 its reverse (3561361), we get a palindrome (19877891).

The spelling of 16316530 in words is "sixteen million, three hundred sixteen thousand, five hundred thirty".