16216329 has 16 divisors (see below), whose sum is σ = 23086080. Its totient is φ = 10095120.

The previous prime is 16216303. The next prime is 16216331. The reversal of 16216329 is 92361261.

It is not a de Polignac number, because 16216329 - 2⁵ = 16216297 is a prime.

It is a super-3 number, since 3×16216329³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16216296 and 16216305.

It is not an unprimeable number, because it can be changed into a prime (16216339) 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, 2044 + ... + 6050.

It is an arithmetic number, because the mean of its divisors is an integer number (1442880).

Almost surely, 2^16216329 is an apocalyptic number.

16216329 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

16216329 is a deficient number, since it is larger than the sum of its proper divisors (6869751).

16216329 is a wasteful number, since it uses less digits than its factorization.

16216329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4100.

The product of its digits is 3888, while the sum is 30.

The square root of 16216329 is about 4026.9503349309. The cubic root of 16216329 is about 253.1147859314.

The spelling of 16216329 in words is "sixteen million, two hundred sixteen thousand, three hundred twenty-nine".