16019119 has 4 divisors (see below), whose sum is σ = 16034944. Its totient is φ = 16003296.

The previous prime is 16019111. The next prime is 16019123. The reversal of 16019119 is 91191061.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16019119 - 2³ = 16019111 is a prime.

It is a super-2 number, since 2×16019119² = 513224347072322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16019111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6282 + ... + 8455.

It is an arithmetic number, because the mean of its divisors is an integer number (4008736).

Almost surely, 2^16019119 is an apocalyptic number.

16019119 is a deficient number, since it is larger than the sum of its proper divisors (15825).

16019119 is a wasteful number, since it uses less digits than its factorization.

16019119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15824.

The product of its (nonzero) digits is 486, while the sum is 28.

The square root of 16019119 is about 4002.3891614884. The cubic root of 16019119 is about 252.0845384881.

The spelling of 16019119 in words is "sixteen million, nineteen thousand, one hundred nineteen".