16217280911 has 16 divisors (see below), whose sum is σ = 17809866144. Its totient is φ = 14676885504.

The previous prime is 16217280899. The next prime is 16217280913. The reversal of 16217280911 is 11908271261.

It is a cyclic number.

It is not a de Polignac number, because 16217280911 - 2²⁶ = 16150172047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16217280913) 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, 74831 + ... + 195023.

It is an arithmetic number, because the mean of its divisors is an integer number (1113116634).

Almost surely, 2^16217280911 is an apocalyptic number.

16217280911 is a deficient number, since it is larger than the sum of its proper divisors (1592585233).

16217280911 is a wasteful number, since it uses less digits than its factorization.

16217280911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120410.

The product of its (nonzero) digits is 12096, while the sum is 38.

The spelling of 16217280911 in words is "sixteen billion, two hundred seventeen million, two hundred eighty thousand, nine hundred eleven".