163450320 has 160 divisors (see below), whose sum is σ = 559142784. Its totient is φ = 39168000.

The previous prime is 163450277. The next prime is 163450327. The reversal of 163450320 is 23054361.

It is a happy number.

163450320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163450327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 266334 + ... + 266946.

Almost surely, 2^163450320 is an apocalyptic number.

163450320 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 163450320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279571392).

163450320 is an abundant number, since it is smaller than the sum of its proper divisors (395692464).

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

163450320 is a wasteful number, since it uses less digits than its factorization.

163450320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741 (or 735 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 163450320 is about 12784.7690632252. The cubic root of 163450320 is about 546.7581412132.

The spelling of 163450320 in words is "one hundred sixty-three million, four hundred fifty thousand, three hundred twenty".