16671118050417 has 4 divisors (see below), whose sum is σ = 22228157400560. Its totient is φ = 11114078700276.

The previous prime is 16671118050347. The next prime is 16671118050421. The reversal of 16671118050417 is 71405081117661.

It is a happy number.

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 not a de Polignac number, because 16671118050417 - 2¹⁰ = 16671118049393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16671118050427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2778519675067 + ... + 2778519675072.

It is an arithmetic number, because the mean of its divisors is an integer number (5557039350140).

Almost surely, 2^{16671118050417} is an apocalyptic number.

It is an amenable number.

16671118050417 is a deficient number, since it is larger than the sum of its proper divisors (5557039350143).

16671118050417 is an equidigital number, since it uses as much as digits as its factorization.

16671118050417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5557039350142.

The product of its (nonzero) digits is 282240, while the sum is 48.

The spelling of 16671118050417 in words is "sixteen trillion, six hundred seventy-one billion, one hundred eighteen million, fifty thousand, four hundred seventeen".