16444514065 has 8 divisors (see below), whose sum is σ = 22552476480. Its totient is φ = 11276238192.

The previous prime is 16444514027. The next prime is 16444514077. The reversal of 16444514065 is 56041544461.

It is a happy number.

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 16444514065 - 2¹¹ = 16444512017 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, 234921595 + ... + 234921664.

It is an arithmetic number, because the mean of its divisors is an integer number (2819059560).

Almost surely, 2^16444514065 is an apocalyptic number.

It is an amenable number.

16444514065 is a deficient number, since it is larger than the sum of its proper divisors (6107962415).

16444514065 is an equidigital number, since it uses as much as digits as its factorization.

16444514065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469843271.

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 16444514065 in words is "sixteen billion, four hundred forty-four million, five hundred fourteen thousand, sixty-five".