16350865 has 8 divisors (see below), whose sum is σ = 19689768. Its totient is φ = 13034880.

The previous prime is 16350863. The next prime is 16350883. The reversal of 16350865 is 56805361.

It can be written as a sum of positive squares in 4 ways, for example, as 1234321 + 15116544 = 1111^2 + 3888^2 .

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

It is not a de Polignac number, because 16350865 - 2¹ = 16350863 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 16350865.

It is not an unprimeable number, because it can be changed into a prime (16350863) 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, 4116 + ... + 7045.

It is an arithmetic number, because the mean of its divisors is an integer number (2461221).

Almost surely, 2^16350865 is an apocalyptic number.

It is an amenable number.

16350865 is a deficient number, since it is larger than the sum of its proper divisors (3338903).

16350865 is a wasteful number, since it uses less digits than its factorization.

16350865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11459.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 16350865 is about 4043.6202838546. The cubic root of 16350865 is about 253.8128335748.

The spelling of 16350865 in words is "sixteen million, three hundred fifty thousand, eight hundred sixty-five".