163113441 has 4 divisors (see below), whose sum is σ = 217484592. Its totient is φ = 108742292.

The previous prime is 163113421. The next prime is 163113473. The reversal of 163113441 is 144311361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 163113441 - 2¹¹ = 163111393 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (163113421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27185571 + ... + 27185576.

It is an arithmetic number, because the mean of its divisors is an integer number (54371148).

Almost surely, 2^163113441 is an apocalyptic number.

It is an amenable number.

163113441 is a deficient number, since it is larger than the sum of its proper divisors (54371151).

163113441 is an equidigital number, since it uses as much as digits as its factorization.

163113441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54371150.

The product of its digits is 864, while the sum is 24.

The square root of 163113441 is about 12771.5872545271. The cubic root of 163113441 is about 546.3822512111.

The spelling of 163113441 in words is "one hundred sixty-three million, one hundred thirteen thousand, four hundred forty-one".