163120441 has 16 divisors (see below), whose sum is σ = 181287936. Its totient is φ = 145530000.

The previous prime is 163120421. The next prime is 163120483. The reversal of 163120441 is 144021361.

It is not a de Polignac number, because 163120441 - 2⁷ = 163120313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163120421) 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, 258196 + ... + 258826.

It is an arithmetic number, because the mean of its divisors is an integer number (11330496).

Almost surely, 2^163120441 is an apocalyptic number.

163120441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

163120441 is a deficient number, since it is larger than the sum of its proper divisors (18167495).

163120441 is a wasteful number, since it uses less digits than its factorization.

163120441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 163120441 is about 12771.8612973991. The cubic root of 163120441 is about 546.3900670825.

The spelling of 163120441 in words is "one hundred sixty-three million, one hundred twenty thousand, four hundred forty-one".