16880329 has 4 divisors (see below), whose sum is σ = 16900884. Its totient is φ = 16859776.

The previous prime is 16880323. The next prime is 16880333. The reversal of 16880329 is 92308861.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9290304 + 7590025 = 3048^2 + 2755^2 .

It is a cyclic number.

It is not a de Polignac number, because 16880329 - 2¹³ = 16872137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16880323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8992 + ... + 10705.

It is an arithmetic number, because the mean of its divisors is an integer number (4225221).

Almost surely, 2^16880329 is an apocalyptic number.

It is an amenable number.

16880329 is a deficient number, since it is larger than the sum of its proper divisors (20555).

16880329 is an equidigital number, since it uses as much as digits as its factorization.

16880329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20554.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 16880329 is about 4108.5677553133. The cubic root of 16880329 is about 256.5233890468.

The spelling of 16880329 in words is "sixteen million, eight hundred eighty thousand, three hundred twenty-nine".