16244456402653 has 32 divisors (see below), whose sum is σ = 16900200000000. Its totient is φ = 15595422054912.

The previous prime is 16244456402633. The next prime is 16244456402689. The reversal of 16244456402653 is 35620465444261.

It is a cyclic number.

It is not a de Polignac number, because 16244456402653 - 2¹³ = 16244456394461 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16244456402653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16244456402623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8126290348 + ... + 8126292346.

It is an arithmetic number, because the mean of its divisors is an integer number (528131250000).

Almost surely, 2^{16244456402653} is an apocalyptic number.

It is an amenable number.

16244456402653 is a deficient number, since it is larger than the sum of its proper divisors (655743597347).

16244456402653 is a wasteful number, since it uses less digits than its factorization.

16244456402653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4309.

The product of its (nonzero) digits is 16588800, while the sum is 52.

The spelling of 16244456402653 in words is "sixteen trillion, two hundred forty-four billion, four hundred fifty-six million, four hundred two thousand, six hundred fifty-three".