161741166 has 16 divisors (see below), whose sum is σ = 323616384. Its totient is φ = 53891384.

The previous prime is 161741161. The next prime is 161741183. The reversal of 161741166 is 661147161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161741161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17341 + ... + 24983.

It is an arithmetic number, because the mean of its divisors is an integer number (20226024).

Almost surely, 2^161741166 is an apocalyptic number.

161741166 is an abundant number, since it is smaller than the sum of its proper divisors (161875218).

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

161741166 is a wasteful number, since it uses less digits than its factorization.

161741166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11175.

The product of its digits is 6048, while the sum is 33.

The square root of 161741166 is about 12717.7500368579. The cubic root of 161741166 is about 544.8456943287.

The spelling of 161741166 in words is "one hundred sixty-one million, seven hundred forty-one thousand, one hundred sixty-six".