16671118050427 has 2 divisors, whose sum is σ = 16671118050428. Its totient is φ = 16671118050426.

The previous prime is 16671118050421. The next prime is 16671118050443. The reversal of 16671118050427 is 72405081117661.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16671118050427 - 2⁷ = 16671118050299 is a prime.

It is not a weakly prime, because it can be changed into another prime (16671118050421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8335559025213 + 8335559025214.

It is an arithmetic number, because the mean of its divisors is an integer number (8335559025214).

Almost surely, 2^{16671118050427} is an apocalyptic number.

16671118050427 is a deficient number, since it is larger than the sum of its proper divisors (1).

16671118050427 is an equidigital number, since it uses as much as digits as its factorization.

16671118050427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 564480, while the sum is 49.

The spelling of 16671118050427 in words is "sixteen trillion, six hundred seventy-one billion, one hundred eighteen million, fifty thousand, four hundred twenty-seven".