166201343163 has 12 divisors (see below), whose sum is σ = 244004158528. Its totient is φ = 108984486960.

The previous prime is 166201343129. The next prime is 166201343179. The reversal of 166201343163 is 361343102661.

166201343163 is a `hidden beast` number, since 1 + 6 + 620 + 13 + 4 + 3 + 16 + 3 = 666.

It is not a de Polignac number, because 166201343163 - 2⁸ = 166201342907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166201343563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151366795 + ... + 151367892.

Almost surely, 2^166201343163 is an apocalyptic number.

166201343163 is a deficient number, since it is larger than the sum of its proper divisors (77802815365).

166201343163 is a wasteful number, since it uses less digits than its factorization.

166201343163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302734754 (or 302734751 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The spelling of 166201343163 in words is "one hundred sixty-six billion, two hundred one million, three hundred forty-three thousand, one hundred sixty-three".