16844444201 has 8 divisors (see below), whose sum is σ = 18143410824. Its totient is φ = 15545940480.

The previous prime is 16844444191. The next prime is 16844444231. The reversal of 16844444201 is 10244444861.

It can be written as a sum of positive squares in 4 ways, for example, as 848265625 + 15996178576 = 29125^2 + 126476^2 .

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 16844444201 - 2²² = 16840249897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16844444231) 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, 38216 + ... + 187481.

It is an arithmetic number, because the mean of its divisors is an integer number (2267926353).

Almost surely, 2^16844444201 is an apocalyptic number.

It is an amenable number.

16844444201 is a deficient number, since it is larger than the sum of its proper divisors (1298966623).

16844444201 is a wasteful number, since it uses less digits than its factorization.

16844444201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231451.

The product of its (nonzero) digits is 98304, while the sum is 38.

The spelling of 16844444201 in words is "sixteen billion, eight hundred forty-four million, four hundred forty-four thousand, two hundred one".