163428208 has 80 divisors (see below), whose sum is σ = 349129440. Its totient is φ = 73801728.

The previous prime is 163428197. The next prime is 163428217. The reversal of 163428208 is 802824361.

It is a Harshad number since it is a multiple of its sum of digits (34).

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 15 ways as a sum of consecutive naturals, for example, 1040866 + ... + 1041022.

It is an arithmetic number, because the mean of its divisors is an integer number (4364118).

Almost surely, 2^163428208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163428208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174564720).

163428208 is an abundant number, since it is smaller than the sum of its proper divisors (185701232).

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

163428208 is a wasteful number, since it uses less digits than its factorization.

163428208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 163428208 is about 12783.9042549606. The cubic root of 163428208 is about 546.7334844627.

The spelling of 163428208 in words is "one hundred sixty-three million, four hundred twenty-eight thousand, two hundred eight".