16671356042105 has 32 divisors (see below), whose sum is σ = 20151339909120. Its totient is φ = 13240324981440.

The previous prime is 16671356042093. The next prime is 16671356042113. The reversal of 16671356042105 is 50124065317661.

It is a happy number.

It is not a de Polignac number, because 16671356042105 - 2³⁶ = 16602636565369 is a prime.

It is a super-2 number, since 2×16671356042105² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16671356042105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 647192216 + ... + 647217974.

It is an arithmetic number, because the mean of its divisors is an integer number (629729372160).

Almost surely, 2^{16671356042105} is an apocalyptic number.

It is an amenable number.

16671356042105 is a deficient number, since it is larger than the sum of its proper divisors (3479983867015).

16671356042105 is a wasteful number, since it uses less digits than its factorization.

16671356042105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27581.

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 16671356042105 in words is "sixteen trillion, six hundred seventy-one billion, three hundred fifty-six million, forty-two thousand, one hundred five".