163550166 has 32 divisors (see below), whose sum is σ = 372986208. Its totient is φ = 47362560.

The previous prime is 163550159. The next prime is 163550201. The reversal of 163550166 is 661055361.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60345 + ... + 62996.

It is an arithmetic number, because the mean of its divisors is an integer number (11655819).

Almost surely, 2^163550166 is an apocalyptic number.

163550166 is an abundant number, since it is smaller than the sum of its proper divisors (209436042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163550166 is a wasteful number, since it uses less digits than its factorization.

163550166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123376.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 163550166 is about 12788.6733479278. The cubic root of 163550166 is about 546.8694502664.

The spelling of 163550166 in words is "one hundred sixty-three million, five hundred fifty thousand, one hundred sixty-six".