163032420 has 48 divisors (see below), whose sum is σ = 458011008. Its totient is φ = 43330560.

The previous prime is 163032413. The next prime is 163032421. The reversal of 163032420 is 24230361.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (163032421) 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, 14292 + ... + 23028.

It is an arithmetic number, because the mean of its divisors is an integer number (9541896).

Almost surely, 2^163032420 is an apocalyptic number.

163032420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163032420 is an abundant number, since it is smaller than the sum of its proper divisors (294978588).

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

163032420 is a wasteful number, since it uses less digits than its factorization.

163032420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9060 (or 9058 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 163032420 is about 12768.4149368667. The cubic root of 163032420 is about 546.2917706888.

Adding to 163032420 its reverse (24230361), we get a palindrome (187262781).

The spelling of 163032420 in words is "one hundred sixty-three million, thirty-two thousand, four hundred twenty".