16109619 has 8 divisors (see below), whose sum is σ = 21670032. Its totient is φ = 10644480.

The previous prime is 16109573. The next prime is 16109627. The reversal of 16109619 is 91690161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16109619 - 2¹¹ = 16107571 is a prime.

It is a super-2 number, since 2×16109619² = 519039648650322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16109619.

It is not an unprimeable number, because it can be changed into a prime (16109629) by changing a digit.

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, 23422 + ... + 24099.

It is an arithmetic number, because the mean of its divisors is an integer number (2708754).

Almost surely, 2^16109619 is an apocalyptic number.

16109619 is a deficient number, since it is larger than the sum of its proper divisors (5560413).

16109619 is a wasteful number, since it uses less digits than its factorization.

16109619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47637.

The product of its (nonzero) digits is 2916, while the sum is 33.

The square root of 16109619 is about 4013.6789856689. The cubic root of 16109619 is about 252.5583644450.

The spelling of 16109619 in words is "sixteen million, one hundred nine thousand, six hundred nineteen".