16897580333209 has 16 divisors (see below), whose sum is σ = 17367298748800. Its totient is φ = 16428551030784.

The previous prime is 16897580333149. The next prime is 16897580333281. The reversal of 16897580333209 is 90233308579861.

It is a cyclic number.

It is not a de Polignac number, because 16897580333209 - 2⁴¹ = 14698557077657 is a prime.

It is a super-2 number, since 2×16897580333209² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16897580330209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 422008012 + ... + 422048050.

It is an arithmetic number, because the mean of its divisors is an integer number (1085456171800).

Almost surely, 2^{16897580333209} is an apocalyptic number.

It is an amenable number.

16897580333209 is a deficient number, since it is larger than the sum of its proper divisors (469718415591).

16897580333209 is a wasteful number, since it uses less digits than its factorization.

16897580333209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48352.

The product of its (nonzero) digits is 58786560, while the sum is 64.

The spelling of 16897580333209 in words is "sixteen trillion, eight hundred ninety-seven billion, five hundred eighty million, three hundred thirty-three thousand, two hundred nine".