16911999922241 has 4 divisors (see below), whose sum is σ = 16945622188992. Its totient is φ = 16878377655492.

The previous prime is 16911999922231. The next prime is 16911999922243. The reversal of 16911999922241 is 14222999911961.

16911999922241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16911999922241 - 2¹⁸ = 16911999660097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16911999922243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16811132621 + ... + 16811133626.

It is an arithmetic number, because the mean of its divisors is an integer number (4236405547248).

Almost surely, 2^{16911999922241} is an apocalyptic number.

It is an amenable number.

16911999922241 is a deficient number, since it is larger than the sum of its proper divisors (33622266751).

16911999922241 is an equidigital number, since it uses as much as digits as its factorization.

16911999922241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33622266750.

The product of its digits is 11337408, while the sum is 65.

The spelling of 16911999922241 in words is "sixteen trillion, nine hundred eleven billion, nine hundred ninety-nine million, nine hundred twenty-two thousand, two hundred forty-one".