16244065 has 8 divisors (see below), whose sum is σ = 19538280. Its totient is φ = 12964992.

The previous prime is 16244047. The next prime is 16244087. The reversal of 16244065 is 56044261.

It can be written as a sum of positive squares in 4 ways, for example, as 1682209 + 14561856 = 1297^2 + 3816^2 .

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 16244065 - 2⁷ = 16243937 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1270 + ... + 5839.

It is an arithmetic number, because the mean of its divisors is an integer number (2442285).

Almost surely, 2^16244065 is an apocalyptic number.

It is an amenable number.

16244065 is a deficient number, since it is larger than the sum of its proper divisors (3294215).

16244065 is an equidigital number, since it uses as much as digits as its factorization.

16244065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7571.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 16244065 is about 4030.3926607714. The cubic root of 16244065 is about 253.2590107844.

The spelling of 16244065 in words is "sixteen million, two hundred forty-four thousand, sixty-five".