163353450 has 96 divisors (see below), whose sum is σ = 459345600. Its totient is φ = 38085120.

The previous prime is 163353439. The next prime is 163353451. The reversal of 163353450 is 54353361.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (163353451) 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, 34846 + ... + 39254.

It is an arithmetic number, because the mean of its divisors is an integer number (4784850).

Almost surely, 2^163353450 is an apocalyptic number.

163353450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 163353450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229672800).

163353450 is an abundant number, since it is smaller than the sum of its proper divisors (295992150).

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

163353450 is a wasteful number, since it uses less digits than its factorization.

163353450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4456 (or 4451 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 163353450 is about 12780.9800093733. The cubic root of 163353450 is about 546.6501064948.

The spelling of 163353450 in words is "one hundred sixty-three million, three hundred fifty-three thousand, four hundred fifty".