16163808 has 48 divisors (see below), whose sum is σ = 42774480. Its totient is φ = 5344256.

The previous prime is 16163767. The next prime is 16163827. The reversal of 16163808 is 80836161.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×16163808² = 522537378121728, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12538 + ... + 13766.

It is an arithmetic number, because the mean of its divisors is an integer number (891135).

Almost surely, 2^16163808 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 16163808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21387240).

16163808 is an abundant number, since it is smaller than the sum of its proper divisors (26610672).

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

16163808 is a wasteful number, since it uses less digits than its factorization.

16163808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379 (or 1371 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 16163808 is about 4020.4238582518. The cubic root of 16163808 is about 252.8412299895.

Adding to 16163808 its reverse (80836161), we get a palindrome (96999969).

The spelling of 16163808 in words is "sixteen million, one hundred sixty-three thousand, eight hundred eight".