16468919 has 4 divisors (see below), whose sum is σ = 16620120. Its totient is φ = 16317720.

The previous prime is 16468891. The next prime is 16468931. The reversal of 16468919 is 91986461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91986461 = 7 ⋅13140923.

It is a cyclic number.

It is not a de Polignac number, because 16468919 - 2¹⁶ = 16403383 is a prime.

It is a super-2 number, since 2×16468919² = 542450586057122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16468919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16468939) 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 3 ways as a sum of consecutive naturals, for example, 75437 + ... + 75654.

It is an arithmetic number, because the mean of its divisors is an integer number (4155030).

Almost surely, 2^16468919 is an apocalyptic number.

16468919 is a deficient number, since it is larger than the sum of its proper divisors (151201).

16468919 is a wasteful number, since it uses less digits than its factorization.

16468919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151200.

The product of its digits is 93312, while the sum is 44.

The square root of 16468919 is about 4058.1915923229. The cubic root of 16468919 is about 254.4222161205.

The spelling of 16468919 in words is "sixteen million, four hundred sixty-eight thousand, nine hundred nineteen".