166384584071 has 2 divisors, whose sum is σ = 166384584072. Its totient is φ = 166384584070.

The previous prime is 166384584043. The next prime is 166384584103. The reversal of 166384584071 is 170485483661.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166384584071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166384584031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83192292035 + 83192292036.

It is an arithmetic number, because the mean of its divisors is an integer number (83192292036).

Almost surely, 2^166384584071 is an apocalyptic number.

166384584071 is a deficient number, since it is larger than the sum of its proper divisors (1).

166384584071 is an equidigital number, since it uses as much as digits as its factorization.

166384584071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 166384584071 in words is "one hundred sixty-six billion, three hundred eighty-four million, five hundred eighty-four thousand, seventy-one".