163083420 has 144 divisors (see below), whose sum is σ = 519861888. Its totient is φ = 41333760.

The previous prime is 163083359. The next prime is 163083421. The reversal of 163083420 is 24380361.

It is a happy number.

163083420 is a `hidden beast` number, since 1 + 630 + 8 + 3 + 4 + 20 = 666.

163083420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163083421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 312760 + ... + 313280.

It is an arithmetic number, because the mean of its divisors is an integer number (3610152).

Almost surely, 2^163083420 is an apocalyptic number.

163083420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163083420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259930944).

163083420 is an abundant number, since it is smaller than the sum of its proper divisors (356778468).

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

163083420 is a wasteful number, since it uses less digits than its factorization.

163083420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620 (or 615 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 163083420 is about 12770.4118962546. The cubic root of 163083420 is about 546.3487286355.

The spelling of 163083420 in words is "one hundred sixty-three million, eighty-three thousand, four hundred twenty".