16316709 has 4 divisors (see below), whose sum is σ = 21755616. Its totient is φ = 10877804.

The previous prime is 16316689. The next prime is 16316731. The reversal of 16316709 is 90761361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16316709 - 2⁹ = 16316197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16316709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16316749) 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, 2719449 + ... + 2719454.

It is an arithmetic number, because the mean of its divisors is an integer number (5438904).

Almost surely, 2^16316709 is an apocalyptic number.

It is an amenable number.

16316709 is a deficient number, since it is larger than the sum of its proper divisors (5438907).

16316709 is an equidigital number, since it uses as much as digits as its factorization.

16316709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5438906.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 16316709 is about 4039.3946328627. The cubic root of 16316709 is about 253.6359769851.

The spelling of 16316709 in words is "sixteen million, three hundred sixteen thousand, seven hundred nine".