16671870011 has 2 divisors, whose sum is σ = 16671870012. Its totient is φ = 16671870010.

The previous prime is 16671869987. The next prime is 16671870031. The reversal of 16671870011 is 11007817661.

It is a strong prime.

It is an emirp because it is prime and its reverse (11007817661) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16671870011 is a prime.

It is a super-2 number, since 2×16671870011² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16671870031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8335935005 + 8335935006.

It is an arithmetic number, because the mean of its divisors is an integer number (8335935006).

Almost surely, 2^16671870011 is an apocalyptic number.

16671870011 is a deficient number, since it is larger than the sum of its proper divisors (1).

16671870011 is an equidigital number, since it uses as much as digits as its factorization.

16671870011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 38.

The spelling of 16671870011 in words is "sixteen billion, six hundred seventy-one million, eight hundred seventy thousand, eleven".