16609459 has 8 divisors (see below), whose sum is σ = 18154368. Its totient is φ = 15127680.

The previous prime is 16609457. The next prime is 16609487. The reversal of 16609459 is 95490661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16609459 - 2¹ = 16609457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16609457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15232 + ... + 16285.

It is an arithmetic number, because the mean of its divisors is an integer number (2269296).

Almost surely, 2^16609459 is an apocalyptic number.

16609459 is a deficient number, since it is larger than the sum of its proper divisors (1544909).

16609459 is a wasteful number, since it uses less digits than its factorization.

16609459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31565.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 16609459 is about 4075.4704022971. The cubic root of 16609459 is about 255.1438839397.

The spelling of 16609459 in words is "sixteen million, six hundred nine thousand, four hundred fifty-nine".