166713343163 has 2 divisors, whose sum is σ = 166713343164. Its totient is φ = 166713343162.

The previous prime is 166713343133. The next prime is 166713343189. The reversal of 166713343163 is 361343317661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 166713343163 - 2⁶ = 166713343099 is a prime.

It is not a weakly prime, because it can be changed into another prime (166713343133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83356671581 + 83356671582.

It is an arithmetic number, because the mean of its divisors is an integer number (83356671582).

Almost surely, 2^166713343163 is an apocalyptic number.

166713343163 is a deficient number, since it is larger than the sum of its proper divisors (1).

166713343163 is an equidigital number, since it uses as much as digits as its factorization.

166713343163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 44.

The spelling of 166713343163 in words is "one hundred sixty-six billion, seven hundred thirteen million, three hundred forty-three thousand, one hundred sixty-three".