163911041 has 12 divisors (see below), whose sum is σ = 195665472. Its totient is φ = 134253504.

The previous prime is 163911023. The next prime is 163911049. The reversal of 163911041 is 140119361.

It is not a de Polignac number, because 163911041 - 2⁶ = 163910977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 163911041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163911049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161945 + ... + 162953.

It is an arithmetic number, because the mean of its divisors is an integer number (16305456).

Almost surely, 2^163911041 is an apocalyptic number.

It is an amenable number.

163911041 is a deficient number, since it is larger than the sum of its proper divisors (31754431).

163911041 is an frugal number, since it uses more digits than its factorization.

163911041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048 (or 1039 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 163911041 is about 12802.7747383136. The cubic root of 163911041 is about 547.2713790093.

The spelling of 163911041 in words is "one hundred sixty-three million, nine hundred eleven thousand, forty-one".