16483865 has 4 divisors (see below), whose sum is σ = 19780644. Its totient is φ = 13187088.

The previous prime is 16483843. The next prime is 16483913. The reversal of 16483865 is 56838461.

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 7974976 + 8508889 = 2824^2 + 2917^2 .

It is a cyclic number.

It is not a de Polignac number, because 16483865 - 2⁸ = 16483609 is a prime.

It is a Duffinian number.

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, 1648382 + ... + 1648391.

It is an arithmetic number, because the mean of its divisors is an integer number (4945161).

Almost surely, 2^16483865 is an apocalyptic number.

It is an amenable number.

16483865 is a deficient number, since it is larger than the sum of its proper divisors (3296779).

16483865 is an equidigital number, since it uses as much as digits as its factorization.

16483865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3296778.

The product of its digits is 138240, while the sum is 41.

The square root of 16483865 is about 4060.0326353368. The cubic root of 16483865 is about 254.4991579182.

The spelling of 16483865 in words is "sixteen million, four hundred eighty-three thousand, eight hundred sixty-five".