163008166 has 4 divisors (see below), whose sum is σ = 244512252. Its totient is φ = 81504082.

The previous prime is 163008151. The next prime is 163008193. The reversal of 163008166 is 661800361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 661800361 = 17 ⋅38929433.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40752040 + ... + 40752043.

It is an arithmetic number, because the mean of its divisors is an integer number (61128063).

Almost surely, 2^163008166 is an apocalyptic number.

163008166 is a deficient number, since it is larger than the sum of its proper divisors (81504086).

163008166 is an equidigital number, since it uses as much as digits as its factorization.

163008166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81504085.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 163008166 is about 12767.4651360401. The cubic root of 163008166 is about 546.2646791085.

The spelling of 163008166 in words is "one hundred sixty-three million, eight thousand, one hundred sixty-six".