16071666617047 has 2 divisors, whose sum is σ = 16071666617048. Its totient is φ = 16071666617046.

The previous prime is 16071666617033. The next prime is 16071666617137. The reversal of 16071666617047 is 74071666617061.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16071666617047 - 2³⁹ = 15521910803159 is a prime.

It is a super-2 number, since 2×16071666617047² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16071666616982 and 16071666617000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16071666117047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8035833308523 + 8035833308524.

It is an arithmetic number, because the mean of its divisors is an integer number (8035833308524).

Almost surely, 2^{16071666617047} is an apocalyptic number.

16071666617047 is a deficient number, since it is larger than the sum of its proper divisors (1).

16071666617047 is an equidigital number, since it uses as much as digits as its factorization.

16071666617047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10668672, while the sum is 58.

The spelling of 16071666617047 in words is "sixteen trillion, seventy-one billion, six hundred sixty-six million, six hundred seventeen thousand, forty-seven".