16219072 has 14 divisors (see below), whose sum is σ = 32184848. Its totient is φ = 8109504.

The previous prime is 16219069. The next prime is 16219081. The reversal of 16219072 is 27091261.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 16219072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126648 + ... + 126775.

Almost surely, 2^16219072 is an apocalyptic number.

It is an amenable number.

16219072 is a deficient number, since it is larger than the sum of its proper divisors (15965776).

16219072 is an equidigital number, since it uses as much as digits as its factorization.

16219072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253435 (or 253425 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 16219072 is about 4027.2909008414. The cubic root of 16219072 is about 253.1290566235.

The spelling of 16219072 in words is "sixteen million, two hundred nineteen thousand, seventy-two".