168050161 has 8 divisors (see below), whose sum is σ = 170581544. Its totient is φ = 165525120.

The previous prime is 168050159. The next prime is 168050171. The reversal of 168050161 is 161050861.

It can be written as a sum of positive squares in 4 ways, for example, as 5640625 + 162409536 = 2375^2 + 12744^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 168050161 - 2¹ = 168050159 is a prime.

It is a super-2 number, since 2×168050161² = 56481713224251842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168050111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89371 + ... + 91231.

It is an arithmetic number, because the mean of its divisors is an integer number (21322693).

Almost surely, 2^168050161 is an apocalyptic number.

It is an amenable number.

168050161 is a deficient number, since it is larger than the sum of its proper divisors (2531383).

168050161 is a wasteful number, since it uses less digits than its factorization.

168050161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3171.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 168050161 is about 12963.4162549846. The cubic root of 168050161 is about 551.8397466351.

The spelling of 168050161 in words is "one hundred sixty-eight million, fifty thousand, one hundred sixty-one".