163441085 has 8 divisors (see below), whose sum is σ = 197146680. Its totient is φ = 130074624.

The previous prime is 163441081. The next prime is 163441133. The reversal of 163441085 is 580144361.

It can be written as a sum of positive squares in 4 ways, for example, as 8637721 + 154803364 = 2939^2 + 12442^2 .

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 163441085 - 2² = 163441081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163441081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83720 + ... + 85649.

It is an arithmetic number, because the mean of its divisors is an integer number (24643335).

Almost surely, 2^163441085 is an apocalyptic number.

It is an amenable number.

163441085 is a deficient number, since it is larger than the sum of its proper divisors (33705595).

163441085 is a wasteful number, since it uses less digits than its factorization.

163441085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169567.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 163441085 is about 12784.4078861713. The cubic root of 163441085 is about 546.7478436774.

The spelling of 163441085 in words is "one hundred sixty-three million, four hundred forty-one thousand, eighty-five".