133766163 has 24 divisors (see below), whose sum is σ = 198918720. Its totient is φ = 86572080.

The previous prime is 133766159. The next prime is 133766167. The reversal of 133766163 is 361667331.

133766163 is a `hidden beast` number, since 1 + 3 + 37 + 6 + 616 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (133766159) and next prime (133766167).

It is not a de Polignac number, because 133766163 - 2² = 133766159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133766167) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68308 + ... + 70238.

It is an arithmetic number, because the mean of its divisors is an integer number (8288280).

Almost surely, 2^133766163 is an apocalyptic number.

133766163 is a deficient number, since it is larger than the sum of its proper divisors (65152557).

133766163 is a wasteful number, since it uses less digits than its factorization.

133766163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159 (or 2156 counting only the distinct ones).

The product of its digits is 40824, while the sum is 36.

The square root of 133766163 is about 11565.7322725368. The cubic root of 133766163 is about 511.4251602592.

The spelling of 133766163 in words is "one hundred thirty-three million, seven hundred sixty-six thousand, one hundred sixty-three".