163470320 has 120 divisors (see below), whose sum is σ = 419075856. Its totient is φ = 59265024.

The previous prime is 163470299. The next prime is 163470337. The reversal of 163470320 is 23074361.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 163470320.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 1446584 + ... + 1446696.

Almost surely, 2^163470320 is an apocalyptic number.

163470320 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 163470320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209537928).

163470320 is an abundant number, since it is smaller than the sum of its proper divisors (255605536).

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

163470320 is a wasteful number, since it uses less digits than its factorization.

163470320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 163470320 is about 12785.5512200296. The cubic root of 163470320 is about 546.7804409897.

The spelling of 163470320 in words is "one hundred sixty-three million, four hundred seventy thousand, three hundred twenty".