16980539 has 4 divisors (see below), whose sum is σ = 17004624. Its totient is φ = 16956456.

The previous prime is 16980527. The next prime is 16980541. The reversal of 16980539 is 93508961.

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

It is a cyclic number.

It is not a de Polignac number, because 16980539 - 2²⁰ = 15931963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16980496 and 16980505.

It is not an unprimeable number, because it can be changed into a prime (16980559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10952 + ... + 12405.

It is an arithmetic number, because the mean of its divisors is an integer number (4251156).

Almost surely, 2^16980539 is an apocalyptic number.

16980539 is a deficient number, since it is larger than the sum of its proper divisors (24085).

16980539 is an equidigital number, since it uses as much as digits as its factorization.

16980539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24084.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 16980539 is about 4120.7449569222. The cubic root of 16980539 is about 257.0300045212.

It can be divided in two parts, 169 and 80539, that added together give a palindrome (80708).

The spelling of 16980539 in words is "sixteen million, nine hundred eighty thousand, five hundred thirty-nine".