16032985 has 4 divisors (see below), whose sum is σ = 19239588. Its totient is φ = 12826384.

The previous prime is 16032967. The next prime is 16033013. The reversal of 16032985 is 58923061.

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 8952064 + 7080921 = 2992^2 + 2661^2 .

It is a cyclic number.

It is not a de Polignac number, because 16032985 - 2⁵ = 16032953 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16032985.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1603294 + ... + 1603303.

It is an arithmetic number, because the mean of its divisors is an integer number (4809897).

Almost surely, 2^16032985 is an apocalyptic number.

It is an amenable number.

16032985 is a deficient number, since it is larger than the sum of its proper divisors (3206603).

16032985 is an equidigital number, since it uses as much as digits as its factorization.

16032985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3206602.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 16032985 is about 4004.1210021676. The cubic root of 16032985 is about 252.1572515207.

The spelling of 16032985 in words is "sixteen million, thirty-two thousand, nine hundred eighty-five".