16219027 has 16 divisors (see below), whose sum is σ = 18904320. Its totient is φ = 13759200.

The previous prime is 16219001. The next prime is 16219031. The reversal of 16219027 is 72091261.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 16219027 - 2⁷ = 16218899 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16218986 and 16219004.

It is not an unprimeable number, because it can be changed into a prime (16219057) by changing a digit.

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, 14293 + ... + 15385.

It is an arithmetic number, because the mean of its divisors is an integer number (1181520).

Almost surely, 2^16219027 is an apocalyptic number.

16219027 is a deficient number, since it is larger than the sum of its proper divisors (2685293).

16219027 is a wasteful number, since it uses less digits than its factorization.

16219027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194.

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

The square root of 16219027 is about 4027.2853139553. The cubic root of 16219027 is about 253.1288225201.

It can be divided in two parts, 1621 and 9027, that added together give a cube (10648 = 22³).

The spelling of 16219027 in words is "sixteen million, two hundred nineteen thousand, twenty-seven".