163020426 has 32 divisors (see below), whose sum is σ = 342835200. Its totient is φ = 51602880.

The previous prime is 163020419. The next prime is 163020457. The reversal of 163020426 is 624020361.

It is a junction number, because it is equal to n+sod(n) for n = 163020396 and 163020405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2935 + ... + 18293.

It is an arithmetic number, because the mean of its divisors is an integer number (10713600).

Almost surely, 2^163020426 is an apocalyptic number.

163020426 is an abundant number, since it is smaller than the sum of its proper divisors (179814774).

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

163020426 is a wasteful number, since it uses less digits than its factorization.

163020426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15454.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 163020426 is about 12767.9452536420. The cubic root of 163020426 is about 546.2783737947.

Adding to 163020426 its reverse (624020361), we get a palindrome (787040787).

The spelling of 163020426 in words is "one hundred sixty-three million, twenty thousand, four hundred twenty-six".