16671106560061 has 4 divisors (see below), whose sum is σ = 16715801216092. Its totient is φ = 16626411904032.

The previous prime is 16671106560049. The next prime is 16671106560077. The reversal of 16671106560061 is 16006560117661.

16671106560061 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.

It can be written as a sum of positive squares in 2 ways, for example, as 6038844248836 + 10632262311225 = 2457406^2 + 3260715^2 .

It is a cyclic number.

It is not a de Polignac number, because 16671106560061 - 2¹¹ = 16671106558013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16671106559993 and 16671106560020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16671106560761) 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, 22347327456 + ... + 22347328201.

It is an arithmetic number, because the mean of its divisors is an integer number (4178950304023).

Almost surely, 2^{16671106560061} is an apocalyptic number.

It is an amenable number.

16671106560061 is a deficient number, since it is larger than the sum of its proper divisors (44694656031).

16671106560061 is an equidigital number, since it uses as much as digits as its factorization.

16671106560061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44694656030.

The product of its (nonzero) digits is 272160, while the sum is 46.

The spelling of 16671106560061 in words is "sixteen trillion, six hundred seventy-one billion, one hundred six million, five hundred sixty thousand, sixty-one".