16369709 has 4 divisors (see below), whose sum is σ = 16381440. Its totient is φ = 16357980.

The previous prime is 16369679. The next prime is 16369711. The reversal of 16369709 is 90796361.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-16369709 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 (16369789) by changing a digit.

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, 3437 + ... + 6674.

It is an arithmetic number, because the mean of its divisors is an integer number (4095360).

Almost surely, 2^16369709 is an apocalyptic number.

It is an amenable number.

16369709 is a deficient number, since it is larger than the sum of its proper divisors (11731).

16369709 is a wasteful number, since it uses less digits than its factorization.

16369709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11730.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 16369709 is about 4045.9497030981. The cubic root of 16369709 is about 253.9103006473.

The spelling of 16369709 in words is "sixteen million, three hundred sixty-nine thousand, seven hundred nine".