16219136 has 44 divisors (see below), whose sum is σ = 33210528. Its totient is φ = 7913472.

The previous prime is 16219121. The next prime is 16219171. The reversal of 16219136 is 63191261.

16219136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 16219099 and 16219108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47960 + ... + 48296.

Almost surely, 2^16219136 is an apocalyptic number.

16219136 is a gapful number since it is divisible by the number (16) 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 16219136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16605264).

16219136 is an abundant number, since it is smaller than the sum of its proper divisors (16991392).

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

16219136 is an equidigital number, since it uses as much as digits as its factorization.

16219136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 386 counting only the distinct ones).

The product of its digits is 1944, while the sum is 29.

The square root of 16219136 is about 4027.2988466216. The cubic root of 16219136 is about 253.1293895698.

The spelling of 16219136 in words is "sixteen million, two hundred nineteen thousand, one hundred thirty-six".