16216330 has 32 divisors (see below), whose sum is σ = 31852800. Its totient is φ = 5908032.

The previous prime is 16216303. The next prime is 16216331. The reversal of 16216330 is 3361261.

It is not an unprimeable number, because it can be changed into a prime (16216331) 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 15 ways as a sum of consecutive naturals, for example, 9481 + ... + 11059.

It is an arithmetic number, because the mean of its divisors is an integer number (995400).

Almost surely, 2^16216330 is an apocalyptic number.

16216330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16216330 is a deficient number, since it is larger than the sum of its proper divisors (15636470).

16216330 is a wasteful number, since it uses less digits than its factorization.

16216330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 16216330 is about 4026.9504590943. The cubic root of 16216330 is about 253.1147911343.

Adding to 16216330 its reverse (3361261), we get a palindrome (19577591).

The spelling of 16216330 in words is "sixteen million, two hundred sixteen thousand, three hundred thirty".