16985814955201 has 8 divisors (see below), whose sum is σ = 17026007757408. Its totient is φ = 16945644912000.

The previous prime is 16985814955141. The next prime is 16985814955211. The reversal of 16985814955201 is 10255941858961.

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 16985814955201 - 2¹³ = 16985814947009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16985814955211) 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, 4194855 + ... + 7181116.

It is an arithmetic number, because the mean of its divisors is an integer number (2128250969676).

Almost surely, 2^{16985814955201} is an apocalyptic number.

It is an amenable number.

16985814955201 is a deficient number, since it is larger than the sum of its proper divisors (40192802207).

16985814955201 is a wasteful number, since it uses less digits than its factorization.

16985814955201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11379503.

The product of its (nonzero) digits is 31104000, while the sum is 64.

The spelling of 16985814955201 in words is "sixteen trillion, nine hundred eighty-five billion, eight hundred fourteen million, nine hundred fifty-five thousand, two hundred one".