163611426 has 32 divisors (see below), whose sum is σ = 361283328. Its totient is φ = 48980240.

The previous prime is 163611421. The next prime is 163611467. The reversal of 163611426 is 624116361.

163611426 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 163611393 and 163611402.

It is not an unprimeable number, because it can be changed into a prime (163611421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9456 + ... + 20411.

It is an arithmetic number, because the mean of its divisors is an integer number (11290104).

Almost surely, 2^163611426 is an apocalyptic number.

163611426 is an abundant number, since it is smaller than the sum of its proper divisors (197671902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163611426 is a wasteful number, since it uses less digits than its factorization.

163611426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29966.

The product of its digits is 5184, while the sum is 30.

The square root of 163611426 is about 12791.0682118422. The cubic root of 163611426 is about 546.9377209412.

Adding to 163611426 its reverse (624116361), we get a palindrome (787727787).

The spelling of 163611426 in words is "one hundred sixty-three million, six hundred eleven thousand, four hundred twenty-six".