16530983 has 6 divisors (see below), whose sum is σ = 19229976. Its totient is φ = 14169372.

The previous prime is 16530961. The next prime is 16530989. The reversal of 16530983 is 38903561.

It is not a de Polignac number, because 16530983 - 2⁸ = 16530727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16530989) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 168635 + ... + 168732.

It is an arithmetic number, because the mean of its divisors is an integer number (3204996).

Almost surely, 2^16530983 is an apocalyptic number.

16530983 is a deficient number, since it is larger than the sum of its proper divisors (2698993).

16530983 is an equidigital number, since it uses as much as digits as its factorization.

16530983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337381 (or 337374 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 16530983 is about 4065.8311573404. The cubic root of 16530983 is about 254.7414167132.

The spelling of 16530983 in words is "sixteen million, five hundred thirty thousand, nine hundred eighty-three".