17818045253872 has 40 divisors (see below), whose sum is σ = 34627181288000. Its totient is φ = 8882007028992.

The previous prime is 17818045253861. The next prime is 17818045253917. The reversal of 17818045253872 is 27835254081871.

It is a self number, because there is not a number n which added to its sum of digits gives 17818045253872.

It is a congruent number.

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, 33446329 + ... + 33974887.

It is an arithmetic number, because the mean of its divisors is an integer number (865679532200).

Almost surely, 2^{17818045253872} is an apocalyptic number.

It is an amenable number.

17818045253872 is a deficient number, since it is larger than the sum of its proper divisors (16809136034128).

17818045253872 is a wasteful number, since it uses less digits than its factorization.

17818045253872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534953 (or 534947 counting only the distinct ones).

The product of its (nonzero) digits is 30105600, while the sum is 61.

The spelling of 17818045253872 in words is "seventeen trillion, eight hundred eighteen billion, forty-five million, two hundred fifty-three thousand, eight hundred seventy-two".