163268161 has 16 divisors (see below), whose sum is σ = 192548736. Its totient is φ = 135513216.

The previous prime is 163268141. The next prime is 163268167. The reversal of 163268161 is 161862361.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 163268161 - 2¹³ = 163259969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163268167) 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 15 ways as a sum of consecutive naturals, for example, 57405 + ... + 60181.

It is an arithmetic number, because the mean of its divisors is an integer number (12034296).

Almost surely, 2^163268161 is an apocalyptic number.

It is an amenable number.

163268161 is a deficient number, since it is larger than the sum of its proper divisors (29280575).

163268161 is a wasteful number, since it uses less digits than its factorization.

163268161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3048.

The product of its digits is 10368, while the sum is 34.

The square root of 163268161 is about 12777.6430142652. The cubic root of 163268161 is about 546.5549521787.

It can be divided in two parts, 163 and 268161, that added together give a square (268324 = 518²).

The spelling of 163268161 in words is "one hundred sixty-three million, two hundred sixty-eight thousand, one hundred sixty-one".